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252630104 = 2331578763
BaseRepresentation
bin11110000111011…
…01010001011000
3122121100221100112
433003231101120
51004133130404
641022423452
76155214626
oct1703552130
9577327315
10252630104
1111a66a811
1270731b88
134045388c
14257a2516
15172a356e
hexf0ed458

252630104 has 8 divisors (see below), whose sum is σ = 473681460. Its totient is φ = 126315048.

The previous prime is 252630083. The next prime is 252630109. The reversal of 252630104 is 401036252.

252630104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 252630104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252630109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15789374 + ... + 15789389.

Almost surely, 2252630104 is an apocalyptic number.

It is an amenable number.

252630104 is a deficient number, since it is larger than the sum of its proper divisors (221051356).

252630104 is a wasteful number, since it uses less digits than its factorization.

252630104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578769 (or 31578765 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 252630104 is about 15894.3418863443. The cubic root of 252630104 is about 632.1619717848.

Adding to 252630104 its reverse (401036252), we get a palindrome (653666356).

The spelling of 252630104 in words is "two hundred fifty-two million, six hundred thirty thousand, one hundred four".

Divisors: 1 2 4 8 31578763 63157526 126315052 252630104