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13485988 = 223371497
BaseRepresentation
bin110011011100…
…011110100100
3221101011022001
4303130132210
511423022423
61201015044
7222425515
oct63343644
927334261
1013485988
11768124a
124624484
132a42499
141b10a0c
1512b5cad
hexcdc7a4

13485988 has 6 divisors (see below), whose sum is σ = 23600486. Its totient is φ = 6742992.

The previous prime is 13485977. The next prime is 13486001. The reversal of 13485988 is 88958431.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 178084 = 3648^2 + 422^2 .

It is a super-2 number, since 2×134859882 = 363743744672288, which contains 22 as substring.

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, 1685745 + ... + 1685752.

Almost surely, 213485988 is an apocalyptic number.

It is an amenable number.

13485988 is a deficient number, since it is larger than the sum of its proper divisors (10114498).

13485988 is a wasteful number, since it uses less digits than its factorization.

13485988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371501 (or 3371499 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 13485988 is about 3672.3273274587. The cubic root of 13485988 is about 238.0277490419.

The spelling of 13485988 in words is "thirteen million, four hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 3371497 6742994 13485988