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45000918 = 2322500051
BaseRepresentation
bin1010101110101…
…0100011010110
310010200021122200
42223222203112
543010012133
64244305330
71054334004
oct253524326
9103607580
1045000918
1123446946
12130a2246
139427b81
145d95a74
153e3d913
hex2aea8d6

45000918 has 12 divisors (see below), whose sum is σ = 97502028. Its totient is φ = 15000300.

The previous prime is 45000913. The next prime is 45000929. The reversal of 45000918 is 81900054.

It is a junction number, because it is equal to n+sod(n) for n = 45000891 and 45000900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1250008 + ... + 1250043.

It is an arithmetic number, because the mean of its divisors is an integer number (8125169).

Almost surely, 245000918 is an apocalyptic number.

45000918 is an abundant number, since it is smaller than the sum of its proper divisors (52501110).

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

45000918 is a wasteful number, since it uses less digits than its factorization.

45000918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500059 (or 2500056 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 45000918 is about 6708.2723558305. The cubic root of 45000918 is about 355.6917491200.

The spelling of 45000918 in words is "forty-five million, nine hundred eighteen", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 2500051 5000102 7500153 15000306 22500459 45000918