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22090080 = 253546021
BaseRepresentation
bin101010001000…
…1000101100000
31112120021220010
41110101011200
521123340310
62105244520
7355522365
oct124210540
945507803
1022090080
1111518671
127493740
13476586c
142d1046c
151e15320
hex1511160

22090080 has 48 divisors (see below), whose sum is σ = 69585264. Its totient is φ = 5890560.

The previous prime is 22090039. The next prime is 22090087. The reversal of 22090080 is 8009022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090087) 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, 22531 + ... + 23490.

It is an arithmetic number, because the mean of its divisors is an integer number (1449693).

Almost surely, 222090080 is an apocalyptic number.

22090080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22090080 is an abundant number, since it is smaller than the sum of its proper divisors (47495184).

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

22090080 is a wasteful number, since it uses less digits than its factorization.

22090080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46039 (or 46031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22090080 is about 4700.0085106306. The cubic root of 22090080 is about 280.5858481961.

The spelling of 22090080 in words is "twenty-two million, ninety thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 46021 92042 138063 184084 230105 276126 368168 460210 552252 690315 736336 920420 1104504 1380630 1472672 1840840 2209008 2761260 3681680 4418016 5522520 7363360 11045040 22090080