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22996493 = 1310916229
BaseRepresentation
bin101011110111…
…0011000001101
31121021100020222
41113232120031
521341341433
62140521125
7366316112
oct127563015
947240228
1022996493
1111a87673
1278501a5
1349c22c0
1430a8909
152043b98
hex15ee60d

22996493 has 8 divisors (see below), whose sum is σ = 24994200. Its totient is φ = 21031488.

The previous prime is 22996487. The next prime is 22996549. The reversal of 22996493 is 39469922.

It can be written as a sum of positive squares in 4 ways, for example, as 7606564 + 15389929 = 2758^2 + 3923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22996493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22996453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6698 + ... + 9531.

It is an arithmetic number, because the mean of its divisors is an integer number (3124275).

Almost surely, 222996493 is an apocalyptic number.

It is an amenable number.

22996493 is a deficient number, since it is larger than the sum of its proper divisors (1997707).

22996493 is a wasteful number, since it uses less digits than its factorization.

22996493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16351.

The product of its digits is 209952, while the sum is 44.

The square root of 22996493 is about 4795.4658793490. The cubic root of 22996493 is about 284.3722429874.

The spelling of 22996493 in words is "twenty-two million, nine hundred ninety-six thousand, four hundred ninety-three".

Divisors: 1 13 109 1417 16229 210977 1768961 22996493