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22160964 = 2237263821
BaseRepresentation
bin101010010001…
…0011001000100
31112200220010110
41110202121010
521133122324
62110553020
7356236140
oct124423104
945626113
1022160964
1111566951
127508770
13478bbc7
142d2c220
151e2b329
hex1522644

22160964 has 24 divisors (see below), whose sum is σ = 59096128. Its totient is φ = 6331680.

The previous prime is 22160933. The next prime is 22160969. The reversal of 22160964 is 46906122.

It is a super-2 number, since 2×221609642 = 982216650818592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22160969) 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, 131827 + ... + 131994.

Almost surely, 222160964 is an apocalyptic number.

It is an amenable number.

22160964 is an abundant number, since it is smaller than the sum of its proper divisors (36935164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22160964 is a wasteful number, since it uses less digits than its factorization.

22160964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263835 (or 263833 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22160964 is about 4707.5433083510. The cubic root of 22160964 is about 280.8856480968.

The spelling of 22160964 in words is "twenty-two million, one hundred sixty thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 263821 527642 791463 1055284 1582926 1846747 3165852 3693494 5540241 7386988 11080482 22160964