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252445134 = 23192116549
BaseRepresentation
bin11110000110000…
…00000111001110
3122121000112121210
433003000013032
51004111221014
641014435250
76153514434
oct1703000716
9577015553
10252445134
1111a553847
1270662b26
13403ba626
1425754d54
1517268859
hexf0c01ce

252445134 has 24 divisors (see below), whose sum is σ = 532866600. Its totient is φ = 79718832.

The previous prime is 252445133. The next prime is 252445181. The reversal of 252445134 is 431544252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252445133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56109 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (22202775).

Almost surely, 2252445134 is an apocalyptic number.

252445134 is an abundant number, since it is smaller than the sum of its proper divisors (280421466).

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

252445134 is a wasteful number, since it uses less digits than its factorization.

252445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116592 (or 116573 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 252445134 is about 15888.5220835671. The cubic root of 252445134 is about 632.0076492558.

Adding to 252445134 its reverse (431544252), we get a palindrome (683989386).

The spelling of 252445134 in words is "two hundred fifty-two million, four hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 361 722 1083 2166 116549 233098 349647 699294 2214431 4428862 6643293 13286586 42074189 84148378 126222567 252445134