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44668480 = 265139589
BaseRepresentation
bin1010101001100…
…1011001000000
310010001101122011
42222121121000
542413342410
64233222304
71051450543
oct252313100
9103041564
1044668480
112323a0aa
1212b61994
13933c76c
145d0a85a
153dc518a
hex2a99640

44668480 has 28 divisors (see below), whose sum is σ = 106367580. Its totient is φ = 17867264.

The previous prime is 44668457. The next prime is 44668483. The reversal of 44668480 is 8486644.

It can be written as a sum of positive squares in 2 ways, for example, as 28217344 + 16451136 = 5312^2 + 4056^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (44668483) 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, 69475 + ... + 70114.

Almost surely, 244668480 is an apocalyptic number.

44668480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44668480 is an abundant number, since it is smaller than the sum of its proper divisors (61699100).

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

44668480 is a wasteful number, since it uses less digits than its factorization.

44668480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139606 (or 139596 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 44668480 is about 6683.4482118140. The cubic root of 44668480 is about 354.8137090428.

The spelling of 44668480 in words is "forty-four million, six hundred sixty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 139589 279178 558356 697945 1116712 1395890 2233424 2791780 4466848 5583560 8933696 11167120 22334240 44668480