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45894520 = 2357163909
BaseRepresentation
bin1010111100010…
…0101101111000
310012100200110001
42233010231320
543222111040
64315402344
71065045160
oct257045570
9105320401
1045894520
11239a7261
12134533b4
13967b829
1461495a0
15406859a
hex2bc4b78

45894520 has 32 divisors (see below), whose sum is σ = 118015200. Its totient is φ = 15735168.

The previous prime is 45894503. The next prime is 45894521. The reversal of 45894520 is 2549854.

It is a self number, because there is not a number n which added to its sum of digits gives 45894520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45894521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81675 + ... + 82234.

It is an arithmetic number, because the mean of its divisors is an integer number (3687975).

Almost surely, 245894520 is an apocalyptic number.

45894520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45894520 is an abundant number, since it is smaller than the sum of its proper divisors (72120680).

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

45894520 is a wasteful number, since it uses less digits than its factorization.

45894520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163927 (or 163923 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 45894520 is about 6774.5494315120. The cubic root of 45894520 is about 358.0307080179.

The spelling of 45894520 in words is "forty-five million, eight hundred ninety-four thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 163909 327818 655636 819545 1147363 1311272 1639090 2294726 3278180 4589452 5736815 6556360 9178904 11473630 22947260 45894520