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22057080 = 2335183809
BaseRepresentation
bin101010000100…
…1000001111000
31112111121121220
41110021001320
521121311310
62104432040
7355324233
oct124110170
945447556
1022057080
11114a58a1
127478620
134753836
142d0241a
151e0a670
hex1509078

22057080 has 32 divisors (see below), whose sum is σ = 66171600. Its totient is φ = 5881856.

The previous prime is 22057039. The next prime is 22057093. The reversal of 22057080 is 8075022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22057080.

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, 91785 + ... + 92024.

Almost surely, 222057080 is an apocalyptic number.

22057080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22057080 is an abundant number, since it is smaller than the sum of its proper divisors (44114520).

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

22057080 is a wasteful number, since it uses less digits than its factorization.

22057080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183823 (or 183819 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 22057080 is about 4696.4965665909. The cubic root of 22057080 is about 280.4460577319.

The spelling of 22057080 in words is "twenty-two million, fifty-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 183809 367618 551427 735236 919045 1102854 1470472 1838090 2205708 2757135 3676180 4411416 5514270 7352360 11028540 22057080