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10422457 = 49121227
BaseRepresentation
bin100111110000…
…100010111001
3201121111220221
4213300202321
510132004312
61011220041
7154406113
oct47604271
921544827
1010422457
115979601
1235a7621
13220bc46
1415543b3
15dad207
hex9f08b9

10422457 has 4 divisors (see below), whose sum is σ = 10444176. Its totient is φ = 10400740.

The previous prime is 10422449. The next prime is 10422481. The reversal of 10422457 is 75422401.

10422457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10422457 - 23 = 10422449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10422437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10123 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (2611044).

Almost surely, 210422457 is an apocalyptic number.

It is an amenable number.

10422457 is a deficient number, since it is larger than the sum of its proper divisors (21719).

10422457 is an equidigital number, since it uses as much as digits as its factorization.

10422457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 10422457 is about 3228.3830317978. The cubic root of 10422457 is about 218.4355752650.

Adding to 10422457 its reverse (75422401), we get a palindrome (85844858).

The spelling of 10422457 in words is "ten million, four hundred twenty-two thousand, four hundred fifty-seven".

Divisors: 1 491 21227 10422457