Search a number
-
+
44239880 = 2351105997
BaseRepresentation
bin1010100011000…
…0110000001000
310002020121201002
42220300300020
542311134010
64220114132
71045014146
oct250606010
9102217632
1044239880
1122a77093
1212995948
13921c659
145c38596
153d3d1a5
hex2a30c08

44239880 has 16 divisors (see below), whose sum is σ = 99539820. Its totient is φ = 17695936.

The previous prime is 44239873. The next prime is 44239891. The reversal of 44239880 is 8893244.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 2067844 = 6494^2 + 1438^2 .

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, 552959 + ... + 553038.

Almost surely, 244239880 is an apocalyptic number.

44239880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44239880 is an abundant number, since it is smaller than the sum of its proper divisors (55299940).

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

44239880 is a wasteful number, since it uses less digits than its factorization.

44239880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106008 (or 1106004 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 44239880 is about 6651.3066385485. The cubic root of 44239880 is about 353.6752317353.

The spelling of 44239880 in words is "forty-four million, two hundred thirty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1105997 2211994 4423988 5529985 8847976 11059970 22119940 44239880