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140924441 = 7217169177
BaseRepresentation
bin10000110011001…
…01011000011001
3100211011200222202
420121211120121
5242034040231
621552255545
73330560300
oct1031453031
9324150882
10140924441
1172603689
123b2415b5
1323272058
1414a05437
15c58a5cb
hex8665619

140924441 has 12 divisors (see below), whose sum is σ = 173576628. Its totient is φ = 113686272.

The previous prime is 140924423. The next prime is 140924449. The reversal of 140924441 is 144429041.

It can be written as a sum of positive squares in 2 ways, for example, as 129868816 + 11055625 = 11396^2 + 3325^2 .

It is not a de Polignac number, because 140924441 - 214 = 140908057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140924449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83756 + ... + 85421.

It is an arithmetic number, because the mean of its divisors is an integer number (14464719).

Almost surely, 2140924441 is an apocalyptic number.

It is an amenable number.

140924441 is a deficient number, since it is larger than the sum of its proper divisors (32652187).

140924441 is a wasteful number, since it uses less digits than its factorization.

140924441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169208 (or 169201 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 140924441 is about 11871.1600528339. The cubic root of 140924441 is about 520.3897977205.

The spelling of 140924441 in words is "one hundred forty million, nine hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 7 17 49 119 833 169177 1184239 2876009 8289673 20132063 140924441