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13963157 = 131956531
BaseRepresentation
bin110101010000…
…111110010101
3222021101211222
4311100332111
512033310112
61215140125
7226453625
oct65207625
928241758
1013963157
1179777aa
124814645
132b7b730
141bd6885
15135c372
hexd50f95

13963157 has 8 divisors (see below), whose sum is σ = 15828960. Its totient is φ = 12210480.

The previous prime is 13963133. The next prime is 13963193. The reversal of 13963157 is 75136931.

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 13963157 - 212 = 13959061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13963127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28019 + ... + 28512.

It is an arithmetic number, because the mean of its divisors is an integer number (1978620).

Almost surely, 213963157 is an apocalyptic number.

It is an amenable number.

13963157 is a deficient number, since it is larger than the sum of its proper divisors (1865803).

13963157 is a wasteful number, since it uses less digits than its factorization.

13963157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56563.

The product of its digits is 17010, while the sum is 35.

The square root of 13963157 is about 3736.7307904102. The cubic root of 13963157 is about 240.8026195618.

The spelling of 13963157 in words is "thirteen million, nine hundred sixty-three thousand, one hundred fifty-seven".

Divisors: 1 13 19 247 56531 734903 1074089 13963157