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45470816 = 252361781
BaseRepresentation
bin1010110101110…
…1010001100000
310011120011020022
42231131101200
543120031231
64302333012
71061331656
oct255352140
9104504208
1045470816
1123737996
121328a168
139560a11
146078dd6
153ed2c7b
hex2b5d460

45470816 has 24 divisors (see below), whose sum is σ = 93414384. Its totient is φ = 21746560.

The previous prime is 45470813. The next prime is 45470863. The reversal of 45470816 is 61807454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45470813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30155 + ... + 31626.

It is an arithmetic number, because the mean of its divisors is an integer number (3892266).

Almost surely, 245470816 is an apocalyptic number.

45470816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

45470816 is an abundant number, since it is smaller than the sum of its proper divisors (47943568).

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

45470816 is a wasteful number, since it uses less digits than its factorization.

45470816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61814 (or 61806 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 45470816 is about 6743.2051726164. The cubic root of 45470816 is about 356.9255049913.

The spelling of 45470816 in words is "forty-five million, four hundred seventy thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 61781 123562 247124 494248 988496 1420963 1976992 2841926 5683852 11367704 22735408 45470816