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45765620 = 2252288281
BaseRepresentation
bin1010111010010…
…1001111110100
310012010010121222
42232211033310
543203444440
64312525512
71064000315
oct256451764
9105103558
1045765620
112391942a
12133b0898
139634c64
14611460c
1540402b5
hex2ba53f4

45765620 has 12 divisors (see below), whose sum is σ = 96107844. Its totient is φ = 18306240.

The previous prime is 45765617. The next prime is 45765637. The reversal of 45765620 is 2656754.

It can be written as a sum of positive squares in 2 ways, for example, as 15713296 + 30052324 = 3964^2 + 5482^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144121 + ... + 1144160.

It is an arithmetic number, because the mean of its divisors is an integer number (8008987).

Almost surely, 245765620 is an apocalyptic number.

It is an amenable number.

45765620 is an abundant number, since it is smaller than the sum of its proper divisors (50342224).

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

45765620 is a wasteful number, since it uses less digits than its factorization.

45765620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288290 (or 2288288 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 45765620 is about 6765.0291943199. The cubic root of 45765620 is about 357.6952036788.

The spelling of 45765620 in words is "forty-five million, seven hundred sixty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 2288281 4576562 9153124 11441405 22882810 45765620