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40879271 = 175359769
BaseRepresentation
bin1001101111110…
…0010010100111
32211220212211002
42123330102213
540431114041
64020103515
71004316356
oct233742247
984825732
1040879271
1121091224
1211834b9b
138613b24
14560199d
1538c759b
hex26fc4a7

40879271 has 16 divisors (see below), whose sum is σ = 44906400. Its totient is φ = 37060608.

The previous prime is 40879253. The next prime is 40879301. The reversal of 40879271 is 17297804.

It is a cyclic number.

It is not a de Polignac number, because 40879271 - 26 = 40879207 is a prime.

It is a super-2 number, since 2×408792712 = 3342229594982882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40879171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52775 + ... + 53543.

It is an arithmetic number, because the mean of its divisors is an integer number (2806650).

Almost surely, 240879271 is an apocalyptic number.

40879271 is a deficient number, since it is larger than the sum of its proper divisors (4027129).

40879271 is a wasteful number, since it uses less digits than its factorization.

40879271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 40879271 is about 6393.6899361793. The cubic root of 40879271 is about 344.4829361501.

The spelling of 40879271 in words is "forty million, eight hundred seventy-nine thousand, two hundred seventy-one".

Divisors: 1 17 53 59 769 901 1003 3127 13073 40757 45371 53159 692869 771307 2404663 40879271