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44542280 = 2351113557
BaseRepresentation
bin1010100111101…
…0100101001000
310002210222112002
42221322211020
542400323110
64230410132
71050413606
oct251724510
9102728462
1044542280
1123163302
1212b00948
1392c71a3
145cb6876
153d9caa5
hex2a7a948

44542280 has 16 divisors (see below), whose sum is σ = 100220220. Its totient is φ = 17816896.

The previous prime is 44542279. The next prime is 44542297. The reversal of 44542280 is 8224544.

It can be written as a sum of positive squares in 2 ways, for example, as 44542276 + 4 = 6674^2 + 2^2 .

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, 556739 + ... + 556818.

Almost surely, 244542280 is an apocalyptic number.

44542280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44542280 is an abundant number, since it is smaller than the sum of its proper divisors (55677940).

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

44542280 is a wasteful number, since it uses less digits than its factorization.

44542280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113568 (or 1113564 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 44542280 is about 6674.0002996704. Note that the first 3 decimals coincide. The cubic root of 44542280 is about 354.4792470559.

The spelling of 44542280 in words is "forty-four million, five hundred forty-two thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1113557 2227114 4454228 5567785 8908456 11135570 22271140 44542280