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10640147 = 71789413
BaseRepresentation
bin101000100101…
…101100010011
3202000120112112
4220211230103
510210441042
61020015535
7156303560
oct50455423
922016475
1010640147
116008111
1236915ab
13228705b
1415ad867
15e02982
hexa25b13

10640147 has 8 divisors (see below), whose sum is σ = 12875616. Its totient is φ = 8583552.

The previous prime is 10640143. The next prime is 10640159. The reversal of 10640147 is 74104601.

10640147 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 10640147 - 22 = 10640143 is a prime.

It is a super-2 number, since 2×106401472 = 226425456363218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640143) by changing a digit.

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, 44588 + ... + 44825.

It is an arithmetic number, because the mean of its divisors is an integer number (1609452).

Almost surely, 210640147 is an apocalyptic number.

10640147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10640147 is a deficient number, since it is larger than the sum of its proper divisors (2235469).

10640147 is an equidigital number, since it uses as much as digits as its factorization.

10640147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89437.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 10640147 is about 3261.9238188529. The cubic root of 10640147 is about 219.9459026767.

Adding to 10640147 its reverse (74104601), we get a palindrome (84744748).

The spelling of 10640147 in words is "ten million, six hundred forty thousand, one hundred forty-seven".

Divisors: 1 7 17 119 89413 625891 1520021 10640147