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45071761 = 719333331
BaseRepresentation
bin1010101111101…
…1110110010001
310010210212211111
42223323312101
543014244021
64250013321
71055050360
oct253736621
9103725744
1045071761
1123495099
1213117241
1394511a7
145db37d7
153e548e1
hex2afbd91

45071761 has 8 divisors (see below), whose sum is σ = 51552704. Its totient is φ = 38601360.

The previous prime is 45071759. The next prime is 45071779. The reversal of 45071761 is 16717054.

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

It is not a de Polignac number, because 45071761 - 21 = 45071759 is a prime.

It is a super-2 number, since 2×450717612 = 4062927279282242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45071701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11866 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (6444088).

Almost surely, 245071761 is an apocalyptic number.

It is an amenable number.

45071761 is a deficient number, since it is larger than the sum of its proper divisors (6480943).

45071761 is a wasteful number, since it uses less digits than its factorization.

45071761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 45071761 is about 6713.5505509380. The cubic root of 45071761 is about 355.8783013091.

The spelling of 45071761 in words is "forty-five million, seventy-one thousand, seven hundred sixty-one".

Divisors: 1 7 1933 3331 13531 23317 6438823 45071761