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22292980 = 2252348463
BaseRepresentation
bin101010100001…
…0100111110100
31112221121012221
41111002213310
521201333410
62113452124
7360326053
oct125024764
945847187
1022292980
1111647056
127571044
134807018
142d6439a
151e554da
hex15429f4

22292980 has 24 divisors (see below), whose sum is σ = 48851712. Its totient is φ = 8529312.

The previous prime is 22292969. The next prime is 22293013. The reversal of 22292980 is 8929222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23772 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (2035488).

Almost surely, 222292980 is an apocalyptic number.

22292980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22292980 is an abundant number, since it is smaller than the sum of its proper divisors (26558732).

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

22292980 is a wasteful number, since it uses less digits than its factorization.

22292980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48495 (or 48493 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22292980 is about 4721.5442389117. The cubic root of 22292980 is about 281.4423027231.

The spelling of 22292980 in words is "twenty-two million, two hundred ninety-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 48463 96926 193852 242315 484630 969260 1114649 2229298 4458596 5573245 11146490 22292980