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252801102 = 23160126317
BaseRepresentation
bin11110001000101…
…11000001001110
3122121200121220210
433010113001032
51004204113402
641030223250
76156526311
oct1704270116
9577617823
10252801102
1111a777234
12707b4b26
13404b3668
1425808978
15172d906c
hexf11704e

252801102 has 16 divisors (see below), whose sum is σ = 505937232. Its totient is φ = 84211200.

The previous prime is 252801097. The next prime is 252801103. The reversal of 252801102 is 201108252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252801103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3553 + ... + 22764.

It is an arithmetic number, because the mean of its divisors is an integer number (31621077).

Almost surely, 2252801102 is an apocalyptic number.

252801102 is an abundant number, since it is smaller than the sum of its proper divisors (253136130).

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

252801102 is a wasteful number, since it uses less digits than its factorization.

252801102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27923.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 252801102 is about 15899.7201862171. The cubic root of 252801102 is about 632.3045703254.

Adding to 252801102 its reverse (201108252), we get a palindrome (453909354).

The spelling of 252801102 in words is "two hundred fifty-two million, eight hundred one thousand, one hundred two".

Divisors: 1 2 3 6 1601 3202 4803 9606 26317 52634 78951 157902 42133517 84267034 126400551 252801102