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14945631 = 34981877
BaseRepresentation
bin111001000000…
…110101011111
31001010022112220
4321000311133
512311230011
61252200423
7241015161
oct71006537
931108486
1014945631
118488968
125009113
13313398c
141db0931
1514a3506
hexe40d5f

14945631 has 4 divisors (see below), whose sum is σ = 19927512. Its totient is φ = 9963752.

The previous prime is 14945621. The next prime is 14945641. The reversal of 14945631 is 13654941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (14945621) and next prime (14945641).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14945631 is a prime.

It is a super-2 number, since 2×149456312 = 446743771976322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14945592 and 14945601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14945611) 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 3 ways as a sum of consecutive naturals, for example, 2490936 + ... + 2490941.

It is an arithmetic number, because the mean of its divisors is an integer number (4981878).

Almost surely, 214945631 is an apocalyptic number.

14945631 is a deficient number, since it is larger than the sum of its proper divisors (4981881).

14945631 is an equidigital number, since it uses as much as digits as its factorization.

14945631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981880.

The product of its digits is 12960, while the sum is 33.

The square root of 14945631 is about 3865.9579666623. The cubic root of 14945631 is about 246.3228789589.

It can be divided in two parts, 14945 and 631, that added together give a triangular number (15576 = T176).

The spelling of 14945631 in words is "fourteen million, nine hundred forty-five thousand, six hundred thirty-one".

Divisors: 1 3 4981877 14945631