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22998252 = 22323103809
BaseRepresentation
bin101011110111…
…0110011101100
31121021102200010
41113232303230
521341421002
62140533220
7366324204
oct127566354
947242603
1022998252
1111a88a22
127851210
1349c3044
1430a9404
15204446c
hex15eecec

22998252 has 48 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 7252608.

The previous prime is 22998251. The next prime is 22998257. The reversal of 22998252 is 25289922.

It is a self number, because there is not a number n which added to its sum of digits gives 22998252.

It is not an unprimeable number, because it can be changed into a prime (22998251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28024 + ... + 28832.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 222998252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22998252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

22998252 is an abundant number, since it is smaller than the sum of its proper divisors (33611028).

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

22998252 is a wasteful number, since it uses less digits than its factorization.

22998252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 22998252 is about 4795.6492782521. The cubic root of 22998252 is about 284.3794933396.

The spelling of 22998252 in words is "twenty-two million, nine hundred ninety-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 103 138 206 276 309 412 618 809 1236 1618 2369 2427 3236 4738 4854 7107 9476 9708 14214 18607 28428 37214 55821 74428 83327 111642 166654 223284 249981 333308 499962 999924 1916521 3833042 5749563 7666084 11499126 22998252