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45357920 = 255283487
BaseRepresentation
bin1010110100000…
…1101101100000
310011100102100222
42231001231200
543102423140
64300102212
71060351556
oct255015540
9104312328
1045357920
1123670093
1213234968
13952150a
146049bd6
153eae5b5
hex2b41b60

45357920 has 24 divisors (see below), whose sum is σ = 107158464. Its totient is φ = 18143104.

The previous prime is 45357913. The next prime is 45357937. The reversal of 45357920 is 2975354.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141584 + ... + 141903.

It is an arithmetic number, because the mean of its divisors is an integer number (4464936).

Almost surely, 245357920 is an apocalyptic number.

45357920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45357920 is an abundant number, since it is smaller than the sum of its proper divisors (61800544).

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

45357920 is a wasteful number, since it uses less digits than its factorization.

45357920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283502 (or 283494 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45357920 is about 6734.8288768164. The cubic root of 45357920 is about 356.6298658666.

The spelling of 45357920 in words is "forty-five million, three hundred fifty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 283487 566974 1133948 1417435 2267896 2834870 4535792 5669740 9071584 11339480 22678960 45357920