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52525254 = 2319943991
BaseRepresentation
bin1100100001011…
…1100011000110
310122211120002210
43020113203012
5101421302004
65113444250
71205312565
oct310274306
9118746083
1052525254
1127716001
1215710686
13ab60942
146d93bdc
154928089
hex32178c6

52525254 has 16 divisors (see below), whose sum is σ = 105580800. Its totient is φ = 17420040.

The previous prime is 52525201. The next prime is 52525259. The reversal of 52525254 is 45252525.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20802 + ... + 23189.

It is an arithmetic number, because the mean of its divisors is an integer number (6598800).

Almost surely, 252525254 is an apocalyptic number.

52525254 is an abundant number, since it is smaller than the sum of its proper divisors (53055546).

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

52525254 is a wasteful number, since it uses less digits than its factorization.

52525254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44195.

The product of its digits is 20000, while the sum is 30.

The square root of 52525254 is about 7247.4308551376. The cubic root of 52525254 is about 374.5036490964.

Adding to 52525254 its reverse (45252525), we get a palindrome (97777779).

The spelling of 52525254 in words is "fifty-two million, five hundred twenty-five thousand, two hundred fifty-four".

Divisors: 1 2 3 6 199 398 597 1194 43991 87982 131973 263946 8754209 17508418 26262627 52525254