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23047317 = 3211532221
BaseRepresentation
bin101011111101…
…0110010010101
31121100220222100
41113322302111
521400003232
62141552313
7366620226
oct127726225
947326870
1023047317
1112011877
127875699
134a0c487
1430bd24d
152053c7c
hex15fac95

23047317 has 12 divisors (see below), whose sum is σ = 33334444. Its totient is φ = 15344640.

The previous prime is 23047309. The next prime is 23047331. The reversal of 23047317 is 71374032.

It can be written as a sum of positive squares in 2 ways, for example, as 16966161 + 6081156 = 4119^2 + 2466^2 .

It is not a de Polignac number, because 23047317 - 23 = 23047309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23047307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9267 + ... + 11487.

Almost surely, 223047317 is an apocalyptic number.

It is an amenable number.

23047317 is a deficient number, since it is larger than the sum of its proper divisors (10287127).

23047317 is a wasteful number, since it uses less digits than its factorization.

23047317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 23047317 is about 4800.7621269961. The cubic root of 23047317 is about 284.5815836112.

The spelling of 23047317 in words is "twenty-three million, forty-seven thousand, three hundred seventeen".

Divisors: 1 3 9 1153 2221 3459 6663 10377 19989 2560813 7682439 23047317