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475642080 = 253251372411
BaseRepresentation
bin11100010110011…
…011100011100000
31020011000010021100
4130112123203200
51433231021310
6115110354400
714533614414
oct3426334340
91204003240
10475642080
1122453aa31
1211335ba00
1377707224
1447254d44
152bb55ec0
hex1c59b8e0

475642080 has 144 divisors (see below), whose sum is σ = 1635654384. Its totient is φ = 125859840.

The previous prime is 475642043. The next prime is 475642103. The reversal of 475642080 is 80246574.

475642080 is a `hidden beast` number, since 4 + 7 + 5 + 642 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196075 + ... + 198485.

It is an arithmetic number, because the mean of its divisors is an integer number (11358711).

Almost surely, 2475642080 is an apocalyptic number.

475642080 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 475642080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817827192).

475642080 is an abundant number, since it is smaller than the sum of its proper divisors (1160012304).

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

475642080 is a wasteful number, since it uses less digits than its factorization.

475642080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 475642080 is about 21809.2200685857. The cubic root of 475642080 is about 780.5967819414.

The spelling of 475642080 in words is "four hundred seventy-five million, six hundred forty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 137 144 160 180 240 274 288 360 411 480 548 685 720 822 1096 1233 1370 1440 1644 2055 2192 2411 2466 2740 3288 4110 4384 4822 4932 5480 6165 6576 7233 8220 9644 9864 10960 12055 12330 13152 14466 16440 19288 19728 21699 21920 24110 24660 28932 32880 36165 38576 39456 43398 48220 49320 57864 65760 72330 77152 86796 96440 98640 108495 115728 144660 173592 192880 197280 216990 231456 289320 330307 347184 385760 433980 578640 660614 694368 867960 990921 1157280 1321228 1651535 1735920 1981842 2642456 2972763 3303070 3471840 3963684 4954605 5284912 5945526 6606140 7927368 9909210 10569824 11891052 13212280 14863815 15854736 19818420 23782104 26424560 29727630 31709472 39636840 47564208 52849120 59455260 79273680 95128416 118910520 158547360 237821040 475642080