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10021475 = 52400859
BaseRepresentation
bin100110001110…
…101001100011
3200212010212202
4212032221203
510031141400
6554443415
7151116062
oct46165143
920763782
1010021475
115725312
12343356b
1320cb589
14148c1d9
15d2e4d5
hex98ea63

10021475 has 6 divisors (see below), whose sum is σ = 12426660. Its totient is φ = 8017160.

The previous prime is 10021469. The next prime is 10021499. The reversal of 10021475 is 57412001.

10021475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021475 - 26 = 10021411 is a prime.

It is a super-2 number, since 2×100214752 = 200859922351250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200405 + ... + 200454.

It is an arithmetic number, because the mean of its divisors is an integer number (2071110).

Almost surely, 210021475 is an apocalyptic number.

10021475 is a deficient number, since it is larger than the sum of its proper divisors (2405185).

10021475 is an equidigital number, since it uses as much as digits as its factorization.

10021475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400869 (or 400864 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10021475 is about 3165.6713348040. The cubic root of 10021475 is about 215.5975803543.

Adding to 10021475 its reverse (57412001), we get a palindrome (67433476).

The spelling of 10021475 in words is "ten million, twenty-one thousand, four hundred seventy-five".

Divisors: 1 5 25 400859 2004295 10021475