[go: up one dir, main page]

Search a number
-
+
252015344 = 24717132361
BaseRepresentation
bin11110000010101…
…11001011110000
3122120012201001122
433001113023300
51004003442334
641001321412
76150044420
oct1701271360
9576181048
10252015344
1111a28a949
1270496268
1340299b09
1425682480
15171d132e
hexf0572f0

252015344 has 40 divisors (see below), whose sum is σ = 590863968. Its totient is φ = 101652480.

The previous prime is 252015329. The next prime is 252015349. The reversal of 252015344 is 443510252.

It is a happy number.

252015344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2520153442 = 127023467222876672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252015349) 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, 64277 + ... + 68084.

Almost surely, 2252015344 is an apocalyptic number.

It is an amenable number.

252015344 is an abundant number, since it is smaller than the sum of its proper divisors (338848624).

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

252015344 is a wasteful number, since it uses less digits than its factorization.

252015344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132393 (or 132387 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 252015344 is about 15874.9911496038. The cubic root of 252015344 is about 631.6487793760.

Adding to 252015344 its reverse (443510252), we get a palindrome (695525596).

The spelling of 252015344 in words is "two hundred fifty-two million, fifteen thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 112 119 136 238 272 476 952 1904 132361 264722 529444 926527 1058888 1853054 2117776 2250137 3706108 4500274 7412216 9000548 14824432 15750959 18001096 31501918 36002192 63003836 126007672 252015344