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10023457 = 15316547
BaseRepresentation
bin100110001111…
…001000100001
3200212020121011
4212033020201
510031222312
6554500521
7151124623
oct46171041
920766534
1010023457
115726854
123434741
1320cc452
14148cc13
15d2eda7
hex98f221

10023457 has 4 divisors (see below), whose sum is σ = 10031536. Its totient is φ = 10015380.

The previous prime is 10023449. The next prime is 10023499. The reversal of 10023457 is 75432001.

10023457 is digitally balanced in base 3, 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10023457 - 23 = 10023449 is a prime.

It is a Duffinian number.

It is the 44-th primeval number, because it sets a new record (3133) in the number of distinct primes that is it possible to write using its digits.

It is not an unprimeable number, because it can be changed into a prime (10023407) 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, 1743 + ... + 4804.

It is an arithmetic number, because the mean of its divisors is an integer number (2507884).

Almost surely, 210023457 is an apocalyptic number.

It is an amenable number.

10023457 is a deficient number, since it is larger than the sum of its proper divisors (8079).

10023457 is an equidigital number, since it uses as much as digits as its factorization.

10023457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 10023457 is about 3165.9843650909. The cubic root of 10023457 is about 215.6117927078.

Adding to 10023457 its reverse (75432001), we get a palindrome (85455458).

The spelling of 10023457 in words is "ten million, twenty-three thousand, four hundred fifty-seven".

Divisors: 1 1531 6547 10023457