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45420460 = 2253761379
BaseRepresentation
bin1010110101000…
…0111110101100
310011110121011021
42231100332230
543111423320
64301303524
71061032111
oct255207654
9104417137
1045420460
1123703078
1213264ba4
139543b17
146064908
153ec2daa
hex2b50fac

45420460 has 24 divisors (see below), whose sum is σ = 97962480. Its totient is φ = 17676864.

The previous prime is 45420457. The next prime is 45420491. The reversal of 45420460 is 6402454.

It is a super-2 number, since 2×454204602 = 4126036373223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29950 + ... + 31429.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 245420460 is an apocalyptic number.

It is an amenable number.

45420460 is an abundant number, since it is smaller than the sum of its proper divisors (52542020).

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

45420460 is a wasteful number, since it uses less digits than its factorization.

45420460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61425 (or 61423 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45420460 is about 6739.4703055952. The cubic root of 45420460 is about 356.7936989878.

The spelling of 45420460 in words is "forty-five million, four hundred twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 61379 122758 245516 306895 613790 1227580 2271023 4542046 9084092 11355115 22710230 45420460