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253531334 = 2718109381
BaseRepresentation
bin11110001110010…
…01010011000110
3122200001201121102
433013021103012
51004401000314
641054020102
76165660260
oct1707112306
9580051542
10253531334
11120125931
1270aa7632
13406aab54
1425958b30
15173d05de
hexf1c94c6

253531334 has 8 divisors (see below), whose sum is σ = 434625168. Its totient is φ = 108656280.

The previous prime is 253531321. The next prime is 253531337. The reversal of 253531334 is 433135352.

253531334 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 253531297 and 253531306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253531337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9054677 + ... + 9054704.

It is an arithmetic number, because the mean of its divisors is an integer number (54328146).

Almost surely, 2253531334 is an apocalyptic number.

253531334 is a deficient number, since it is larger than the sum of its proper divisors (181093834).

253531334 is a wasteful number, since it uses less digits than its factorization.

253531334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109390.

The product of its digits is 16200, while the sum is 29.

The square root of 253531334 is about 15922.6673016803. The cubic root of 253531334 is about 632.9128023328.

Adding to 253531334 its reverse (433135352), we get a palindrome (686666686).

The spelling of 253531334 in words is "two hundred fifty-three million, five hundred thirty-one thousand, three hundred thirty-four".

Divisors: 1 2 7 14 18109381 36218762 126765667 253531334