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9472945 = 53136053
BaseRepresentation
bin100100001000…
…101110110001
3122211021102211
4210020232301
54411113240
6535012121
7143342626
oct44105661
918737384
109472945
115390189
12320a041
131c689c1
14138834d
15c71bea
hex908bb1

9472945 has 8 divisors (see below), whose sum is σ = 11405736. Its totient is φ = 7552896.

The previous prime is 9472913. The next prime is 9472951. The reversal of 9472945 is 5492749.

It can be written as a sum of positive squares in 4 ways, for example, as 758641 + 8714304 = 871^2 + 2952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9472945 - 25 = 9472913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9472898 and 9472907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (1425717).

Almost surely, 29472945 is an apocalyptic number.

It is an amenable number.

9472945 is a deficient number, since it is larger than the sum of its proper divisors (1932791).

9472945 is a wasteful number, since it uses less digits than its factorization.

9472945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371.

The product of its digits is 90720, while the sum is 40.

The square root of 9472945 is about 3077.8149716966. The cubic root of 9472945 is about 211.5899350561.

The spelling of 9472945 in words is "nine million, four hundred seventy-two thousand, nine hundred forty-five".

Divisors: 1 5 313 1565 6053 30265 1894589 9472945