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40699761 = 343131477
BaseRepresentation
bin1001101101000…
…0011101110001
32211120202120120
42123100131301
540404343021
64012200453
71002641124
oct233203561
984522516
1040699761
1120a79373
1211769129
1385801cb
1455963bb
15388e2c6
hex26d0771

40699761 has 8 divisors (see below), whose sum is σ = 54393984. Its totient is φ = 27069360.

The previous prime is 40699733. The next prime is 40699777. The reversal of 40699761 is 16799604.

40699761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40699761 - 213 = 40691569 is a prime.

It is a super-3 number, since 3×406997613 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40699781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446 + ... + 17031.

It is an arithmetic number, because the mean of its divisors is an integer number (6799248).

Almost surely, 240699761 is an apocalyptic number.

It is an amenable number.

40699761 is a deficient number, since it is larger than the sum of its proper divisors (13694223).

40699761 is a wasteful number, since it uses less digits than its factorization.

40699761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 40699761 is about 6379.6364316472. The cubic root of 40699761 is about 343.9779624651.

The spelling of 40699761 in words is "forty million, six hundred ninety-nine thousand, seven hundred sixty-one".

Divisors: 1 3 431 1293 31477 94431 13566587 40699761