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45771929 = 72934121
BaseRepresentation
bin1010111010011…
…0110010011001
310012010110021122
42232212302121
543204200204
64313015025
71064024600
oct256466231
9105113248
1045771929
1123923145
12133b4475
139637aa8
146116a37
1540420be
hex2ba6c99

45771929 has 6 divisors (see below), whose sum is σ = 53244954. Its totient is φ = 39233040.

The previous prime is 45771919. The next prime is 45771941. The reversal of 45771929 is 92917754.

It can be written as a sum of positive squares in only one way, i.e., 34245904 + 11526025 = 5852^2 + 3395^2 .

It is a de Polignac number, because none of the positive numbers 2k-45771929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45771929.

It is not an unprimeable number, because it can be changed into a prime (45771919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467012 + ... + 467109.

It is an arithmetic number, because the mean of its divisors is an integer number (8874159).

Almost surely, 245771929 is an apocalyptic number.

45771929 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45771929 is a deficient number, since it is larger than the sum of its proper divisors (7473025).

45771929 is an equidigital number, since it uses as much as digits as its factorization.

45771929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934135 (or 934128 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 45771929 is about 6765.4954733560. The cubic root of 45771929 is about 357.7116395634.

The spelling of 45771929 in words is "forty-five million, seven hundred seventy-one thousand, nine hundred twenty-nine".

Divisors: 1 7 49 934121 6538847 45771929