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13641955 = 511932287
BaseRepresentation
bin110100000010…
…100011100011
3221200002020121
4310002203203
511443020310
61204221111
7223645315
oct64024343
927602217
1013641955
117778448
12469a797
132a98482
141b517b5
1512e70da
hexd028e3

13641955 has 8 divisors (see below), whose sum is σ = 16391232. Its totient is φ = 10899648.

The previous prime is 13641949. The next prime is 13641961. The reversal of 13641955 is 55914631.

It is an interprime number because it is at equal distance from previous prime (13641949) and next prime (13641961).

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

It is a cyclic number.

It is not a de Polignac number, because 13641955 - 25 = 13641923 is a prime.

It is a super-2 number, since 2×136419552 = 372205872444050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13641955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4822 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (2048904).

Almost surely, 213641955 is an apocalyptic number.

13641955 is a deficient number, since it is larger than the sum of its proper divisors (2749277).

13641955 is a wasteful number, since it uses less digits than its factorization.

13641955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its digits is 16200, while the sum is 34.

The square root of 13641955 is about 3693.5017260047. The cubic root of 13641955 is about 238.9418402742.

The spelling of 13641955 in words is "thirteen million, six hundred forty-one thousand, nine hundred fifty-five".

Divisors: 1 5 1193 2287 5965 11435 2728391 13641955