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8972795 = 513316173
BaseRepresentation
bin100010001110…
…100111111011
3121212212100202
4202032213323
54244112140
6520152415
7136160516
oct42164773
917785322
108972795
115079437
12300870b
131b22160
141297d7d
15bc3915
hex88e9fb

8972795 has 32 divisors (see below), whose sum is σ = 12332544. Its totient is φ = 6220800.

The previous prime is 8972749. The next prime is 8972797. The reversal of 8972795 is 5972798.

It is not a de Polignac number, because 8972795 - 214 = 8956411 is a prime.

It is a super-2 number, since 2×89727952 = 161022100224050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8972797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122879 + ... + 122951.

It is an arithmetic number, because the mean of its divisors is an integer number (385392).

Almost surely, 28972795 is an apocalyptic number.

8972795 is a deficient number, since it is larger than the sum of its proper divisors (3359749).

8972795 is a wasteful number, since it uses less digits than its factorization.

8972795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its digits is 317520, while the sum is 47.

The square root of 8972795 is about 2995.4624017003. The cubic root of 8972795 is about 207.7985830656.

The spelling of 8972795 in words is "eight million, nine hundred seventy-two thousand, seven hundred ninety-five".

Divisors: 1 5 13 31 61 65 73 155 305 365 403 793 949 1891 2015 2263 3965 4453 4745 9455 11315 22265 24583 29419 57889 122915 138043 147095 289445 690215 1794559 8972795