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22485348 = 2232624593
BaseRepresentation
bin101010111000…
…1100101100100
31120022101002200
41111301211210
521224012343
62121534500
7362056644
oct125614544
946271080
1022485348
1111768636
127644430
134873752
142db4524
151e924d3
hex1571964

22485348 has 18 divisors (see below), whose sum is σ = 56838054. Its totient is φ = 7495104.

The previous prime is 22485319. The next prime is 22485349. The reversal of 22485348 is 84358422.

It can be written as a sum of positive squares in only one way, i.e., 18249984 + 4235364 = 4272^2 + 2058^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×224853482 = 1011181749362208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 624593 = 22485348 / (2 + 2 + 4 + 8 + 5 + 3 + 4 + 8).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (22485349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312261 + ... + 312332.

Almost surely, 222485348 is an apocalyptic number.

It is an amenable number.

22485348 is an abundant number, since it is smaller than the sum of its proper divisors (34352706).

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

22485348 is a wasteful number, since it uses less digits than its factorization.

22485348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624603 (or 624598 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 22485348 is about 4741.8717823239. The cubic root of 22485348 is about 282.2495150914.

The spelling of 22485348 in words is "twenty-two million, four hundred eighty-five thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 624593 1249186 1873779 2498372 3747558 5621337 7495116 11242674 22485348