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472640135 = 51115975381
BaseRepresentation
bin11100001010111…
…110101010000111
31012221100121101012
4130022332222013
51431443441020
6114522152435
714466242402
oct3412765207
91187317335
10472640135
1122287a590
1211235271b
1376bc5a26
1446ab2d39
152b7617c5
hex1c2bea87

472640135 has 16 divisors (see below), whose sum is σ = 619231392. Its totient is φ = 343459200.

The previous prime is 472640101. The next prime is 472640149. The reversal of 472640135 is 531046274.

It is not a de Polignac number, because 472640135 - 28 = 472639879 is a prime.

It is a Duffinian number.

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, 85145 + ... + 90525.

It is an arithmetic number, because the mean of its divisors is an integer number (38701962).

Almost surely, 2472640135 is an apocalyptic number.

472640135 is a deficient number, since it is larger than the sum of its proper divisors (146591257).

472640135 is a wasteful number, since it uses less digits than its factorization.

472640135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 472640135 is about 21740.2882915568. The cubic root of 472640135 is about 778.9511076837.

The spelling of 472640135 in words is "four hundred seventy-two million, six hundred forty thousand, one hundred thirty-five".

Divisors: 1 5 11 55 1597 5381 7985 17567 26905 59191 87835 295955 8593457 42967285 94528027 472640135