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45870320 = 245573379
BaseRepresentation
bin1010111011111…
…0110011110000
310012022110020202
42232332303300
543220322240
64315054332
71064614466
oct256766360
9105273222
1045870320
1123990061
12134413a8
139670802
146140836
154061315
hex2bbecf0

45870320 has 20 divisors (see below), whose sum is σ = 106648680. Its totient is φ = 18348096.

The previous prime is 45870299. The next prime is 45870337. The reversal of 45870320 is 2307854.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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, 286610 + ... + 286769.

It is an arithmetic number, because the mean of its divisors is an integer number (5332434).

Almost surely, 245870320 is an apocalyptic number.

45870320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45870320 is an abundant number, since it is smaller than the sum of its proper divisors (60778360).

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

45870320 is a wasteful number, since it uses less digits than its factorization.

45870320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573392 (or 573386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 45870320 is about 6772.7630993561. The cubic root of 45870320 is about 357.9677675588.

The spelling of 45870320 in words is "forty-five million, eight hundred seventy thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 573379 1146758 2293516 2866895 4587032 5733790 9174064 11467580 22935160 45870320