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45315860 = 2252265793
BaseRepresentation
bin1010110011011…
…1011100010100
310011021021200012
42230313130110
543100101420
64255135352
71060115132
oct254673424
9104237605
1045315860
1123641527
1213214558
139508325
146038752
153ea1dc5
hex2b37714

45315860 has 12 divisors (see below), whose sum is σ = 95163348. Its totient is φ = 18126336.

The previous prime is 45315859. The next prime is 45315871. The reversal of 45315860 is 6851354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 26894596 = 4292^2 + 5186^2 .

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, 1132877 + ... + 1132916.

It is an arithmetic number, because the mean of its divisors is an integer number (7930279).

Almost surely, 245315860 is an apocalyptic number.

It is an amenable number.

45315860 is an abundant number, since it is smaller than the sum of its proper divisors (49847488).

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

45315860 is a wasteful number, since it uses less digits than its factorization.

45315860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265802 (or 2265800 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45315860 is about 6731.7055788262. The cubic root of 45315860 is about 356.5195985310.

The spelling of 45315860 in words is "forty-five million, three hundred fifteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2265793 4531586 9063172 11328965 22657930 45315860