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13957950 = 235293053
BaseRepresentation
bin110101001111…
…101100111110
3222021010201010
4311033230332
512033123300
61215100050
7226432506
oct65175476
928233633
1013957950
1179738a6
124811626
132b79256
141bd4a06
15135aa50
hexd4fb3e

13957950 has 24 divisors (see below), whose sum is σ = 34616088. Its totient is φ = 3722080.

The previous prime is 13957949. The next prime is 13957981. The reversal of 13957950 is 5975931.

It is a junction number, because it is equal to n+sod(n) for n = 13957899 and 13957908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46377 + ... + 46676.

It is an arithmetic number, because the mean of its divisors is an integer number (1442337).

Almost surely, 213957950 is an apocalyptic number.

13957950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13957950 is an abundant number, since it is smaller than the sum of its proper divisors (20658138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13957950 is a wasteful number, since it uses less digits than its factorization.

13957950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93068 (or 93063 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 13957950 is about 3736.0339934214. The cubic root of 13957950 is about 240.7726832771.

The spelling of 13957950 in words is "thirteen million, nine hundred fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 93053 186106 279159 465265 558318 930530 1395795 2326325 2791590 4652650 6978975 13957950