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44137931 = 197132719
BaseRepresentation
bin1010100001011…
…1110111001011
310002001102212012
42220113313023
542244403211
64214010135
71044111005
oct250276713
9102042765
1044137931
1122a07532
121294694b
1391b5126
145c0d375
153d1cd8b
hex2a17dcb

44137931 has 8 divisors (see below), whose sum is σ = 47116800. Its totient is φ = 41224680.

The previous prime is 44137927. The next prime is 44137937. The reversal of 44137931 is 13973144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44137931 - 22 = 44137927 is a prime.

It is a super-2 number, since 2×441379312 = 3896313905921522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44137937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15011 + ... + 17708.

It is an arithmetic number, because the mean of its divisors is an integer number (5889600).

Almost surely, 244137931 is an apocalyptic number.

44137931 is a deficient number, since it is larger than the sum of its proper divisors (2978869).

44137931 is a wasteful number, since it uses less digits than its factorization.

44137931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32809.

The product of its digits is 9072, while the sum is 32.

The square root of 44137931 is about 6643.6383857040. The cubic root of 44137931 is about 353.4033460605.

The spelling of 44137931 in words is "forty-four million, one hundred thirty-seven thousand, nine hundred thirty-one".

Divisors: 1 19 71 1349 32719 621661 2323049 44137931