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40370705 = 519334177
BaseRepresentation
bin1001101000000…
…0001000010001
32210222001012022
42122000020101
540313330310
64001141225
71000100564
oct232001021
983861168
1040370705
1120874121
121162a815
1384964bb
14550c4db
153826a55
hex2680211

40370705 has 8 divisors (see below), whose sum is σ = 48481512. Its totient is φ = 32272128.

The previous prime is 40370689. The next prime is 40370717. The reversal of 40370705 is 50707304.

It can be written as a sum of positive squares in 4 ways, for example, as 15460624 + 24910081 = 3932^2 + 4991^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40370705 - 24 = 40370689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7577 + ... + 11753.

It is an arithmetic number, because the mean of its divisors is an integer number (6060189).

Almost surely, 240370705 is an apocalyptic number.

It is an amenable number.

40370705 is a deficient number, since it is larger than the sum of its proper divisors (8110807).

40370705 is a wasteful number, since it uses less digits than its factorization.

40370705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 40370705 is about 6353.7945355512. The cubic root of 40370705 is about 343.0484366937.

The spelling of 40370705 in words is "forty million, three hundred seventy thousand, seven hundred five".

Divisors: 1 5 1933 4177 9665 20885 8074141 40370705