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45743691 = 372178271
BaseRepresentation
bin1010111001111…
…1111001001011
310012002000112210
42232133321023
543202244231
64312240203
71063546350
oct256377113
9105060483
1045743691
1123903a04
12133a0063
139627c96
14610a627
154038a46
hex2b9fe4b

45743691 has 8 divisors (see below), whose sum is σ = 69704704. Its totient is φ = 26139240.

The previous prime is 45743689. The next prime is 45743699. The reversal of 45743691 is 19634754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45743691 - 21 = 45743689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45743699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089115 + ... + 1089156.

It is an arithmetic number, because the mean of its divisors is an integer number (8713088).

Almost surely, 245743691 is an apocalyptic number.

45743691 is a deficient number, since it is larger than the sum of its proper divisors (23961013).

45743691 is a wasteful number, since it uses less digits than its factorization.

45743691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178281.

The product of its digits is 90720, while the sum is 39.

The square root of 45743691 is about 6763.4082384549. The cubic root of 45743691 is about 357.6380636154.

The spelling of 45743691 in words is "forty-five million, seven hundred forty-three thousand, six hundred ninety-one".

Divisors: 1 3 7 21 2178271 6534813 15247897 45743691