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45878940 = 2233584961
BaseRepresentation
bin1010111100000…
…0111010011100
310012022220002000
42233000322130
543221111230
64315202300
71064651562
oct257007234
9105286060
1045878940
1123996588
1213446390
139674703
146143a32
154063b60
hex2bc0e9c

45878940 has 48 divisors (see below), whose sum is σ = 142736160. Its totient is φ = 12234240.

The previous prime is 45878923. The next prime is 45878941. The reversal of 45878940 is 4987854.

45878940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45878941) 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 15 ways as a sum of consecutive naturals, for example, 41941 + ... + 43020.

It is an arithmetic number, because the mean of its divisors is an integer number (2973670).

Almost surely, 245878940 is an apocalyptic number.

It is an amenable number.

45878940 is an abundant number, since it is smaller than the sum of its proper divisors (96857220).

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

45878940 is a wasteful number, since it uses less digits than its factorization.

45878940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84979 (or 84971 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 45878940 is about 6773.3994419346. The cubic root of 45878940 is about 357.9901893840.

The spelling of 45878940 in words is "forty-five million, eight hundred seventy-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 84961 169922 254883 339844 424805 509766 764649 849610 1019532 1274415 1529298 1699220 2293947 2548830 3058596 3823245 4587894 5097660 7646490 9175788 11469735 15292980 22939470 45878940