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13530502 = 217213931
BaseRepresentation
bin110011100111…
…010110000110
3221110102100201
4303213112012
511430434002
61202001114
7223002346
oct63472606
927412321
1013530502
117701737
12464619a
132a5981b
141b22d26
1512c4087
hexce7586

13530502 has 8 divisors (see below), whose sum is σ = 20312712. Its totient is φ = 6759600.

The previous prime is 13530499. The next prime is 13530523. The reversal of 13530502 is 20503531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13530502.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1477 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (2539089).

Almost surely, 213530502 is an apocalyptic number.

13530502 is a deficient number, since it is larger than the sum of its proper divisors (6782210).

13530502 is a wasteful number, since it uses less digits than its factorization.

13530502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 13530502 is about 3678.3830686866. The cubic root of 13530502 is about 238.2893521900.

The spelling of 13530502 in words is "thirteen million, five hundred thirty thousand, five hundred two".

Divisors: 1 2 1721 3442 3931 7862 6765251 13530502