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44831137 = 132265273
BaseRepresentation
bin1010101100000…
…1000110100001
310010100122202111
42223001012201
542434044022
64240515321
71053026011
oct253010641
9103318674
1044831137
112334032a
121301bb41
139398800
145d4dc41
153e08477
hex2ac11a1

44831137 has 6 divisors (see below), whose sum is σ = 48545142. Its totient is φ = 41382432.

The previous prime is 44831131. The next prime is 44831147. The reversal of 44831137 is 73113844.

It can be written as a sum of positive squares in 3 ways, for example, as 1745041 + 43086096 = 1321^2 + 6564^2 .

It is not a de Polignac number, because 44831137 - 219 = 44306849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44831099 and 44831108.

It is not an unprimeable number, because it can be changed into a prime (44831131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132468 + ... + 132805.

It is an arithmetic number, because the mean of its divisors is an integer number (8090857).

Almost surely, 244831137 is an apocalyptic number.

It is an amenable number.

44831137 is a deficient number, since it is larger than the sum of its proper divisors (3714005).

44831137 is a wasteful number, since it uses less digits than its factorization.

44831137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265299 (or 265286 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 44831137 is about 6695.6057978349. The cubic root of 44831137 is about 355.2438633886.

The spelling of 44831137 in words is "forty-four million, eight hundred thirty-one thousand, one hundred thirty-seven".

Divisors: 1 13 169 265273 3448549 44831137