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9047272 = 231386993
BaseRepresentation
bin100010100000…
…110011101000
3122000122112011
4202200303220
54304003042
6521525304
7136620613
oct42406350
918018464
109047272
11511a393
123043834
131b4a020
1412b717a
15bdaa17
hex8a0ce8

9047272 has 16 divisors (see below), whose sum is σ = 18268740. Its totient is φ = 4175616.

The previous prime is 9047231. The next prime is 9047273. The reversal of 9047272 is 2727409.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 11236 = 3006^2 + 106^2 .

9047272 is a modest number, since divided by 7272 gives 904 as remainder.

It is not an unprimeable number, because it can be changed into a prime (9047273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43393 + ... + 43600.

Almost surely, 29047272 is an apocalyptic number.

It is an amenable number.

9047272 is an abundant number, since it is smaller than the sum of its proper divisors (9221468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9047272 is a wasteful number, since it uses less digits than its factorization.

9047272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87012 (or 87008 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 9047272 is about 3007.8683481828. The cubic root of 9047272 is about 208.3719306976.

The spelling of 9047272 in words is "nine million, forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 86993 173986 347972 695944 1130909 2261818 4523636 9047272