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252445414 = 21367144917
BaseRepresentation
bin11110000110000…
…00001011100110
3122121000120000011
433003000023212
51004111223124
641014440434
76153515314
oct1703001346
9577016004
10252445414
1111a553a81
127066311a
13403ba7b0
14257550b4
1517268994
hexf0c02e6

252445414 has 16 divisors (see below), whose sum is σ = 413885808. Its totient is φ = 114773472.

The previous prime is 252445411. The next prime is 252445441. The reversal of 252445414 is 414544252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252445411) 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, 70717 + ... + 74200.

It is an arithmetic number, because the mean of its divisors is an integer number (25867863).

Almost surely, 2252445414 is an apocalyptic number.

252445414 is a deficient number, since it is larger than the sum of its proper divisors (161440394).

252445414 is a wasteful number, since it uses less digits than its factorization.

252445414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144999.

The product of its digits is 25600, while the sum is 31.

The square root of 252445414 is about 15888.5308949569. The cubic root of 252445414 is about 632.0078829199.

Adding to 252445414 its reverse (414544252), we get a palindrome (666989666).

The spelling of 252445414 in words is "two hundred fifty-two million, four hundred forty-five thousand, four hundred fourteen".

Divisors: 1 2 13 26 67 134 871 1742 144917 289834 1883921 3767842 9709439 19418878 126222707 252445414