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13487542 = 2312111031
BaseRepresentation
bin110011011100…
…110110110110
3221101020102121
4303130312312
511423100132
61201030154
7222433165
oct63346666
927336377
1013487542
117682432
12462535a
132a430c3
141b113dc
1512b6497
hexcdcdb6

13487542 has 16 divisors (see below), whose sum is σ = 21003264. Its totient is φ = 6489000.

The previous prime is 13487531. The next prime is 13487557. The reversal of 13487542 is 24578431.

It is a junction number, because it is equal to n+sod(n) for n = 13487498 and 13487507.

It is a congruent number.

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, 12567 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (1312704).

Almost surely, 213487542 is an apocalyptic number.

13487542 is a deficient number, since it is larger than the sum of its proper divisors (7515722).

13487542 is a wasteful number, since it uses less digits than its factorization.

13487542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275.

The product of its digits is 26880, while the sum is 34.

The square root of 13487542 is about 3672.5389038103. The cubic root of 13487542 is about 238.0368913931.

The spelling of 13487542 in words is "thirteen million, four hundred eighty-seven thousand, five hundred forty-two".

Divisors: 1 2 31 62 211 422 1031 2062 6541 13082 31961 63922 217541 435082 6743771 13487542