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13992650 = 252739979
BaseRepresentation
bin110101011000…
…001011001010
3222022220022022
4311120023022
512040231100
61215524442
7226635620
oct65301312
928286268
1013992650
117997981
124829722
132b8bc99
141c03510
151365e85
hexd582ca

13992650 has 24 divisors (see below), whose sum is σ = 29745120. Its totient is φ = 4797360.

The previous prime is 13992637. The next prime is 13992731. The reversal of 13992650 is 5629931.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 13992650.

It is an unprimeable number.

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, 19640 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (1239380).

Almost surely, 213992650 is an apocalyptic number.

13992650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13992650 is an abundant number, since it is smaller than the sum of its proper divisors (15752470).

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

13992650 is a wasteful number, since it uses less digits than its factorization.

13992650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39998 (or 39993 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 13992650 is about 3740.6750727643. The cubic root of 13992650 is about 240.9720415447.

The spelling of 13992650 in words is "thirteen million, nine hundred ninety-two thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 39979 79958 199895 279853 399790 559706 999475 1399265 1998950 2798530 6996325 13992650