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470445000 = 2335479397
BaseRepresentation
bin11100000010100…
…110101111001000
31012210020002012220
4130002212233020
51430413220000
6114403134040
714441500524
oct3402465710
91183202186
10470445000
11221610323
12111674320
137660782c
14466a0d84
152b47b1a0
hex1c0a6bc8

470445000 has 160 divisors (see below), whose sum is σ = 1492022400. Its totient is φ = 123552000.

The previous prime is 470444987. The next prime is 470445023. The reversal of 470445000 is 544074.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1184802 + ... + 1185198.

It is an arithmetic number, because the mean of its divisors is an integer number (9325140).

Almost surely, 2470445000 is an apocalyptic number.

470445000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 470445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746011200).

470445000 is an abundant number, since it is smaller than the sum of its proper divisors (1021577400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

470445000 is a wasteful number, since it uses less digits than its factorization.

470445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 470445000 is about 21689.7441202058. The cubic root of 470445000 is about 777.7433129097.

Adding to 470445000 its reverse (544074), we get a palindrome (470989074).

The spelling of 470445000 in words is "four hundred seventy million, four hundred forty-five thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 79 100 120 125 150 158 200 237 250 300 316 375 395 397 474 500 600 625 632 750 790 794 948 1000 1185 1191 1250 1500 1580 1588 1875 1896 1975 1985 2370 2382 2500 3000 3160 3176 3750 3950 3970 4740 4764 5000 5925 5955 7500 7900 7940 9480 9528 9875 9925 11850 11910 15000 15800 15880 19750 19850 23700 23820 29625 29775 31363 39500 39700 47400 47640 49375 49625 59250 59550 62726 79000 79400 94089 98750 99250 118500 119100 125452 148125 148875 156815 188178 197500 198500 237000 238200 248125 250904 296250 297750 313630 376356 395000 397000 470445 496250 592500 595500 627260 744375 752712 784075 940890 992500 1185000 1191000 1254520 1488750 1568150 1881780 1985000 2352225 2977500 3136300 3763560 3920375 4704450 5955000 6272600 7840750 9408900 11761125 15681500 18817800 19601875 23522250 31363000 39203750 47044500 58805625 78407500 94089000 117611250 156815000 235222500 470445000