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22057130 = 252205713
BaseRepresentation
bin101010000100…
…1000010101010
31112111121200202
41110021002222
521121312010
62104432202
7355324334
oct124110252
945447622
1022057130
11114a5937
127478662
134753874
142d02454
151e0a6a5
hex15090aa

22057130 has 8 divisors (see below), whose sum is σ = 39702852. Its totient is φ = 8822848.

The previous prime is 22057103. The next prime is 22057163. The reversal of 22057130 is 3175022.

It can be written as a sum of positive squares in 2 ways, for example, as 18258529 + 3798601 = 4273^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102847 + ... + 1102866.

Almost surely, 222057130 is an apocalyptic number.

22057130 is a deficient number, since it is larger than the sum of its proper divisors (17645722).

22057130 is a wasteful number, since it uses less digits than its factorization.

22057130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205720.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22057130 is about 4696.5018897047. The cubic root of 22057130 is about 280.4462696411.

The spelling of 22057130 in words is "twenty-two million, fifty-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 2205713 4411426 11028565 22057130