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472056838 = 211294317207
BaseRepresentation
bin11100001000110…
…000010000000110
31012220020222020121
4130020300100012
51431321304323
6114501452154
714461263001
oct3410602006
91186228217
10472056838
11222511320
1211211105a
1376a50396
14469a0538
152b698a5d
hex1c230406

472056838 has 32 divisors (see below), whose sum is σ = 817724160. Its totient is φ = 202342560.

The previous prime is 472056811. The next prime is 472056847. The reversal of 472056838 is 838650274.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 472056794 and 472056803.

It is a congruent number.

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, 18831 + ... + 36037.

It is an arithmetic number, because the mean of its divisors is an integer number (25553880).

Almost surely, 2472056838 is an apocalyptic number.

472056838 is the 11614-th centered heptagonal number.

472056838 is a deficient number, since it is larger than the sum of its proper divisors (345667322).

472056838 is a wasteful number, since it uses less digits than its factorization.

472056838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 472056838 is about 21726.8690335262. The cubic root of 472056838 is about 778.6305347635.

The spelling of 472056838 in words is "four hundred seventy-two million, fifty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 29 43 58 86 319 473 638 946 1247 2494 13717 17207 27434 34414 189277 378554 499003 739901 998006 1479802 5489033 8138911 10978066 16277822 21457129 42914258 236028419 472056838