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45720488 = 2311519551
BaseRepresentation
bin1010111001101…
…0001110101000
310012000211201102
42232122032220
543201023423
64311540532
71063421612
oct256321650
9105024642
1045720488
1123898530
121338a748
13961a558
146101db2
154031c28
hex2b9a3a8

45720488 has 16 divisors (see below), whose sum is σ = 93519360. Its totient is φ = 20782000.

The previous prime is 45720487. The next prime is 45720523. The reversal of 45720488 is 88402754.

45720488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45720487) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 259688 + ... + 259863.

It is an arithmetic number, because the mean of its divisors is an integer number (5844960).

Almost surely, 245720488 is an apocalyptic number.

It is an amenable number.

45720488 is an abundant number, since it is smaller than the sum of its proper divisors (47798872).

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

45720488 is a wasteful number, since it uses less digits than its factorization.

45720488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519568 (or 519564 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 45720488 is about 6761.6926874859. The cubic root of 45720488 is about 357.5775840223.

The spelling of 45720488 in words is "forty-five million, seven hundred twenty thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 519551 1039102 2078204 4156408 5715061 11430122 22860244 45720488