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472093978 = 21731447907
BaseRepresentation
bin11100001000111…
…001010100011010
31012220022212012011
4130020321110122
51431324001403
6114502340134
714461506166
oct3410712432
91186285164
10472093978
11222537214
1211212a64a
1376a64265
14469adca6
152b6a4a6d
hex1c23951a

472093978 has 16 divisors (see below), whose sum is σ = 773985024. Its totient is φ = 214994880.

The previous prime is 472093939. The next prime is 472094023. The reversal of 472093978 is 879390274.

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 7 ways as a sum of consecutive naturals, for example, 222900 + ... + 225007.

It is an arithmetic number, because the mean of its divisors is an integer number (48374064).

Almost surely, 2472093978 is an apocalyptic number.

472093978 is a deficient number, since it is larger than the sum of its proper divisors (301891046).

472093978 is a wasteful number, since it uses less digits than its factorization.

472093978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447957.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 472093978 is about 21727.7237187884. The cubic root of 472093978 is about 778.6509543242.

The spelling of 472093978 in words is "four hundred seventy-two million, ninety-three thousand, nine hundred seventy-eight".

Divisors: 1 2 17 31 34 62 527 1054 447907 895814 7614419 13885117 15228838 27770234 236046989 472093978