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12413288 = 231551661
BaseRepresentation
bin101111010110…
…100101101000
3212100122211102
4233112211220
511134211123
61122020532
7210340226
oct57264550
925318742
1012413288
117009318
1241a7748
132758154
141911b16
151153028
hexbd6968

12413288 has 8 divisors (see below), whose sum is σ = 23274930. Its totient is φ = 6206640.

The previous prime is 12413287. The next prime is 12413321. The reversal of 12413288 is 88231421.

It can be written as a sum of positive squares in only one way, i.e., 9597604 + 2815684 = 3098^2 + 1678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12413288.

It is not an unprimeable number, because it can be changed into a prime (12413287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775823 + ... + 775838.

Almost surely, 212413288 is an apocalyptic number.

It is an amenable number.

12413288 is a deficient number, since it is larger than the sum of its proper divisors (10861642).

12413288 is a wasteful number, since it uses less digits than its factorization.

12413288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551667 (or 1551663 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 12413288 is about 3523.2496363443. The cubic root of 12413288 is about 231.5415540537.

The spelling of 12413288 in words is "twelve million, four hundred thirteen thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 1551661 3103322 6206644 12413288