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40376690 = 2540110069
BaseRepresentation
bin1001101000000…
…1100101110010
32210222100101222
42122001211302
540314023230
64001225042
71000124204
oct232014562
983870358
1040376690
1120878672
1211632182
138499143
145510774
1538286e5
hex2681972

40376690 has 16 divisors (see below), whose sum is σ = 72866520. Its totient is φ = 16108800.

The previous prime is 40376681. The next prime is 40376701. The reversal of 40376690 is 9667304.

It can be written as a sum of positive squares in 4 ways, for example, as 37908649 + 2468041 = 6157^2 + 1571^2 .

It is a super-2 number, since 2×403766902 = 3260554190712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40376690.

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 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 9044.

Almost surely, 240376690 is an apocalyptic number.

40376690 is a deficient number, since it is larger than the sum of its proper divisors (32489830).

40376690 is a wasteful number, since it uses less digits than its factorization.

40376690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 40376690 is about 6354.2654964992. The cubic root of 40376690 is about 343.0653882880.

The spelling of 40376690 in words is "forty million, three hundred seventy-six thousand, six hundred ninety".

Divisors: 1 2 5 10 401 802 2005 4010 10069 20138 50345 100690 4037669 8075338 20188345 40376690