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8949425 = 52357977
BaseRepresentation
bin100010001000…
…111010110001
3121211200022012
4202020322301
54242340200
6515452305
7136032422
oct42107261
917750265
108949425
115062921
122bb7095
131b14624
14128d649
15bbba35
hex888eb1

8949425 has 6 divisors (see below), whose sum is σ = 11097318. Its totient is φ = 7159520.

The previous prime is 8949419. The next prime is 8949427. The reversal of 8949425 is 5249498.

It can be written as a sum of positive squares in 3 ways, for example, as 614656 + 8334769 = 784^2 + 2887^2 .

It is a de Polignac number, because none of the positive numbers 2k-8949425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8949427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178964 + ... + 179013.

It is an arithmetic number, because the mean of its divisors is an integer number (1849553).

Almost surely, 28949425 is an apocalyptic number.

It is an amenable number.

8949425 is a deficient number, since it is larger than the sum of its proper divisors (2147893).

8949425 is a wasteful number, since it uses less digits than its factorization.

8949425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357987 (or 357982 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 8949425 is about 2991.5589581354. The cubic root of 8949425 is about 207.6180196663.

The spelling of 8949425 in words is "eight million, nine hundred forty-nine thousand, four hundred twenty-five".

Divisors: 1 5 25 357977 1789885 8949425