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1308056 = 23237109
BaseRepresentation
bin100111111010110011000
32110110022112
410333112120
5313324211
644011452
714055401
oct4772630
92413275
101308056
11813842
12530b88
1336a4c9
142609a8
151ac88b
hex13f598

1308056 has 16 divisors (see below), whose sum is σ = 2559600. Its totient is φ = 625504.

The previous prime is 1308049. The next prime is 1308077. The reversal of 1308056 is 6508031.

It is a super-2 number, since 2×13080562 = 3422020998272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (159975).

21308056 is an apocalyptic number.

It is an amenable number.

1308056 is a deficient number, since it is larger than the sum of its proper divisors (1251544).

1308056 is a wasteful number, since it uses less digits than its factorization.

1308056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7134 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1308056 is about 1143.7027585872. The cubic root of 1308056 is about 109.3642668107.

The spelling of 1308056 in words is "one million, three hundred eight thousand, fifty-six".

Divisors: 1 2 4 8 23 46 92 184 7109 14218 28436 56872 163507 327014 654028 1308056