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45680238 = 2325214871
BaseRepresentation
bin1010111001000…
…0011001101110
310011221210111200
42232100121232
543143231423
64311030330
71063163352
oct256203156
9104853450
1045680238
112387026a
121336b3a6
139605136
1460d1462
154024d43
hex2b9066e

45680238 has 24 divisors (see below), whose sum is σ = 99184176. Its totient is φ = 15194400.

The previous prime is 45680221. The next prime is 45680269. The reversal of 45680238 is 83208654.

45680238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6943 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (4132674).

Almost surely, 245680238 is an apocalyptic number.

45680238 is an abundant number, since it is smaller than the sum of its proper divisors (53503938).

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

45680238 is a wasteful number, since it uses less digits than its factorization.

45680238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 45680238 is about 6758.7157064046. The cubic root of 45680238 is about 357.4726221556.

The spelling of 45680238 in words is "forty-five million, six hundred eighty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 521 1042 1563 3126 4689 4871 9378 9742 14613 29226 43839 87678 2537791 5075582 7613373 15226746 22840119 45680238