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40386995 = 5112925321
BaseRepresentation
bin1001101000010…
…0000110110011
32210222212112122
42122010012303
540314340440
64001344455
71000166225
oct232040663
983885478
1040386995
1120885390
121163812b
1384a0a3c
145514415
15382b7b5
hex26841b3

40386995 has 16 divisors (see below), whose sum is σ = 54695520. Its totient is φ = 28358400.

The previous prime is 40386979. The next prime is 40387003. The reversal of 40386995 is 59968304.

It is not a de Polignac number, because 40386995 - 24 = 40386979 is a prime.

It is a super-2 number, since 2×403869952 = 3262218730260050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11066 + ... + 14255.

It is an arithmetic number, because the mean of its divisors is an integer number (3418470).

Almost surely, 240386995 is an apocalyptic number.

40386995 is a deficient number, since it is larger than the sum of its proper divisors (14308525).

40386995 is a wasteful number, since it uses less digits than its factorization.

40386995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25366.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 40386995 is about 6355.0763174017. The cubic root of 40386995 is about 343.0945716948.

The spelling of 40386995 in words is "forty million, three hundred eighty-six thousand, nine hundred ninety-five".

Divisors: 1 5 11 29 55 145 319 1595 25321 126605 278531 734309 1392655 3671545 8077399 40386995