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13642077 = 3313832
BaseRepresentation
bin110100000010…
…100101011101
3221200002102010
4310002211131
511443021302
61204221433
7223645551
oct64024535
927602363
1013642077
117778549
12469a879
132a98547
141b51861
1512e716c
hexd0295d

13642077 has 12 divisors (see below), whose sum is σ = 18825344. Its totient is φ = 8778360.

The previous prime is 13642067. The next prime is 13642087. The reversal of 13642077 is 77024631.

It is an interprime number because it is at equal distance from previous prime (13642067) and next prime (13642087).

It is not a de Polignac number, because 13642077 - 27 = 13641949 is a prime.

It is a super-2 number, since 2×136420772 = 372212529747858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35428 + ... + 35810.

Almost surely, 213642077 is an apocalyptic number.

It is an amenable number.

13642077 is a deficient number, since it is larger than the sum of its proper divisors (5183267).

13642077 is an frugal number, since it uses more digits than its factorization.

13642077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 13642077 is about 3693.5182414603. The cubic root of 13642077 is about 238.9425525577.

The spelling of 13642077 in words is "thirteen million, six hundred forty-two thousand, seventy-seven".

Divisors: 1 3 31 93 383 1149 11873 35619 146689 440067 4547359 13642077