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13642113 = 310941719
BaseRepresentation
bin110100000010…
…100110000001
3221200002110110
4310002212001
511443021423
61204221533
7223645632
oct64024601
927602413
1013642113
117778581
12469a8a9
132a98574
141b51889
1512e7193
hexd02981

13642113 has 8 divisors (see below), whose sum is σ = 18356800. Its totient is φ = 9011088.

The previous prime is 13642103. The next prime is 13642163. The reversal of 13642113 is 31124631.

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

It is a de Polignac number, because none of the positive numbers 2k-13642113 is a prime.

It is a super-2 number, since 2×136421132 = 372214494209538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13642113.

It is not an unprimeable number, because it can be changed into a prime (13642103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20533 + ... + 21186.

It is an arithmetic number, because the mean of its divisors is an integer number (2294600).

Almost surely, 213642113 is an apocalyptic number.

It is an amenable number.

13642113 is a deficient number, since it is larger than the sum of its proper divisors (4714687).

13642113 is a wasteful number, since it uses less digits than its factorization.

13642113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41831.

The product of its digits is 432, while the sum is 21.

The square root of 13642113 is about 3693.5231148593. The cubic root of 13642113 is about 238.9427627389.

Adding to 13642113 its reverse (31124631), we get a palindrome (44766744).

The spelling of 13642113 in words is "thirteen million, six hundred forty-two thousand, one hundred thirteen".

Divisors: 1 3 109 327 41719 125157 4547371 13642113