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474990384 = 243114320921
BaseRepresentation
bin11100010011111…
…100011100110000
31020002210000022110
4130103330130300
51433044143014
6115044405320
714525231421
oct3423743460
91202700273
10474990384
11224135340
121130a6840
13775396cb
1447125648
152ba77d59
hex1c4fc730

474990384 has 80 divisors (see below), whose sum is σ = 1369805184. Its totient is φ = 140582400.

The previous prime is 474990377. The next prime is 474990407. The reversal of 474990384 is 483099474.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12244 + ... + 33164.

Almost surely, 2474990384 is an apocalyptic number.

474990384 is a gapful number since it is divisible by the number (44) 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 474990384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684902592).

474990384 is an abundant number, since it is smaller than the sum of its proper divisors (894814800).

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

474990384 is a wasteful number, since it uses less digits than its factorization.

474990384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20986 (or 20980 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 474990384 is about 21794.2741104172. The cubic root of 474990384 is about 780.2401101679.

The spelling of 474990384 in words is "four hundred seventy-four million, nine hundred ninety thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 43 44 48 66 86 88 129 132 172 176 258 264 344 473 516 528 688 946 1032 1419 1892 2064 2838 3784 5676 7568 11352 20921 22704 41842 62763 83684 125526 167368 230131 251052 334736 460262 502104 690393 899603 920524 1004208 1380786 1799206 1841048 2698809 2761572 3598412 3682096 5397618 5523144 7196824 9895633 10795236 11046288 14393648 19791266 21590472 29686899 39582532 43180944 59373798 79165064 118747596 158330128 237495192 474990384