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40738061 = 7213312063
BaseRepresentation
bin1001101101100…
…1110100001101
32211122201010002
42123121310031
540412104221
64013054045
71003160600
oct233316415
984581102
1040738061
1120aa5121
1211787325
138594780
1455a6337
15389a80b
hex26d9d0d

40738061 has 24 divisors (see below), whose sum is σ = 52706304. Its totient is φ = 31177440.

The previous prime is 40738021. The next prime is 40738063. The reversal of 40738061 is 16083704.

It is not a de Polignac number, because 40738061 - 26 = 40737997 is a prime.

It is a super-2 number, since 2×407380612 = 3319179228079442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40738063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18716 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (2196096).

Almost surely, 240738061 is an apocalyptic number.

It is an amenable number.

40738061 is a deficient number, since it is larger than the sum of its proper divisors (11968243).

40738061 is a wasteful number, since it uses less digits than its factorization.

40738061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 40738061 is about 6382.6374642463. The cubic root of 40738061 is about 344.0858273541.

The spelling of 40738061 in words is "forty million, seven hundred thirty-eight thousand, sixty-one".

Divisors: 1 7 13 31 49 91 217 403 637 1519 2063 2821 14441 19747 26819 63953 101087 187733 447671 831389 1314131 3133697 5819723 40738061