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13087532 = 223271883
BaseRepresentation
bin110001111011…
…001100101100
3220121220201102
4301323030230
511322300112
61144302232
7216146033
oct61731454
926556642
1013087532
117429947
124471978
132933003
141a4971a
151237bc2
hexc7b32c

13087532 has 6 divisors (see below), whose sum is σ = 22903188. Its totient is φ = 6543764.

The previous prime is 13087519. The next prime is 13087541. The reversal of 13087532 is 23578031.

It is a junction number, because it is equal to n+sod(n) for n = 13087495 and 13087504.

It is an unprimeable number.

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, 1635938 + ... + 1635945.

It is an arithmetic number, because the mean of its divisors is an integer number (3817198).

Almost surely, 213087532 is an apocalyptic number.

It is an amenable number.

13087532 is a deficient number, since it is larger than the sum of its proper divisors (9815656).

13087532 is a wasteful number, since it uses less digits than its factorization.

13087532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271887 (or 3271885 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13087532 is about 3617.6694155215. The cubic root of 13087532 is about 235.6600246959.

The spelling of 13087532 in words is "thirteen million, eighty-seven thousand, five hundred thirty-two".

Divisors: 1 2 4 3271883 6543766 13087532