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22970717 = 7112691109
BaseRepresentation
bin101011110100…
…0000101011101
31121020000220022
41113220011131
521340030332
62140201525
7366151010
oct127500535
947200808
1022970717
1111a6a270
1278392a5
1349b3653
14309d377
15203b212
hex15e815d

22970717 has 16 divisors (see below), whose sum is σ = 28771200. Its totient is φ = 17816640.

The previous prime is 22970713. The next prime is 22970737. The reversal of 22970717 is 71707922.

It is a cyclic number.

It is not a de Polignac number, because 22970717 - 22 = 22970713 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 (22970711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20159 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (1798200).

Almost surely, 222970717 is an apocalyptic number.

It is an amenable number.

22970717 is a deficient number, since it is larger than the sum of its proper divisors (5800483).

22970717 is a wasteful number, since it uses less digits than its factorization.

22970717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 22970717 is about 4792.7775871617. Note that the first 3 decimals coincide. The cubic root of 22970717 is about 284.2659554869.

The spelling of 22970717 in words is "twenty-two million, nine hundred seventy thousand, seven hundred seventeen".

Divisors: 1 7 11 77 269 1109 1883 2959 7763 12199 20713 85393 298321 2088247 3281531 22970717