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10022921 = 35927919
BaseRepresentation
bin100110001111…
…000000001001
3200212012212022
4212033000021
510031213141
6554454225
7151123226
oct46170011
920765768
1010022921
115726407
123434375
1320cc12c
14148c94d
15d2eb4b
hex98f009

10022921 has 4 divisors (see below), whose sum is σ = 10051200. Its totient is φ = 9994644.

The previous prime is 10022869. The next prime is 10022923. The reversal of 10022921 is 12922001.

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 10022921 - 222 = 5828617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10022921.

It is not an unprimeable number, because it can be changed into a prime (10022923) 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, 13601 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (2512800).

Almost surely, 210022921 is an apocalyptic number.

It is an amenable number.

10022921 is a deficient number, since it is larger than the sum of its proper divisors (28279).

10022921 is an equidigital number, since it uses as much as digits as its factorization.

10022921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10022921 is about 3165.8997141413. The cubic root of 10022921 is about 215.6079493904.

Adding to 10022921 its reverse (12922001), we get a palindrome (22944922).

The spelling of 10022921 in words is "ten million, twenty-two thousand, nine hundred twenty-one".

Divisors: 1 359 27919 10022921