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872940472 = 23109117559
BaseRepresentation
bin110100000010000…
…000001110111000
32020211120222012121
4310002000032320
53241433043342
6222342051024
730426604645
oct6402001670
92224528177
10872940472
11408830108
12204419a74
1310bb10c31
1483d14dcc
1551984067
hex340803b8

872940472 has 8 divisors (see below), whose sum is σ = 1636763400. Its totient is φ = 436470232.

The previous prime is 872940461. The next prime is 872940473. The reversal of 872940472 is 274049278.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872940473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54558772 + ... + 54558787.

It is an arithmetic number, because the mean of its divisors is an integer number (204595425).

Almost surely, 2872940472 is an apocalyptic number.

It is an amenable number.

872940472 is a deficient number, since it is larger than the sum of its proper divisors (763822928).

872940472 is a wasteful number, since it uses less digits than its factorization.

872940472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109117565 (or 109117561 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 872940472 is about 29545.5660294400. The cubic root of 872940472 is about 955.7145760667.

The spelling of 872940472 in words is "eight hundred seventy-two million, nine hundred forty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 109117559 218235118 436470236 872940472