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475193920 = 2656192399
BaseRepresentation
bin11100010100101…
…110001001000000
31020010011100111211
4130110232021000
51433122201140
6115053015504
714530040005
oct3424561100
91203140454
10475193920
11224264253
12113184594
13775ab246
14471798ac
152bab82ea
hex1c52e240

475193920 has 56 divisors (see below), whose sum is σ = 1133856000. Its totient is φ = 189691392.

The previous prime is 475193909. The next prime is 475193951. The reversal of 475193920 is 29391574.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196881 + ... + 199279.

Almost surely, 2475193920 is an apocalyptic number.

475193920 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 475193920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566928000).

475193920 is an abundant number, since it is smaller than the sum of its proper divisors (658662080).

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

475193920 is a wasteful number, since it uses less digits than its factorization.

475193920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 475193920 is about 21798.9430936456. The cubic root of 475193920 is about 780.3515399838.

The spelling of 475193920 in words is "four hundred seventy-five million, one hundred ninety-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 619 1238 2399 2476 3095 4798 4952 6190 9596 9904 11995 12380 19192 19808 23990 24760 38384 39616 47980 49520 76768 95960 99040 153536 191920 198080 383840 767680 1484981 2969962 5939924 7424905 11879848 14849810 23759696 29699620 47519392 59399240 95038784 118798480 237596960 475193920