Search a number
-
+
252334490 = 2561740897
BaseRepresentation
bin11110000101001…
…01000110011010
3122120210220211212
433002211012122
51004044200430
641012223122
76152544032
oct1702450632
9576726755
10252334490
1111a488701
127060aaa2
134037c165
14257268c2
1517245b95
hexf0a519a

252334490 has 16 divisors (see below), whose sum is σ = 454949352. Its totient is φ = 100767744.

The previous prime is 252334457. The next prime is 252334499. The reversal of 252334490 is 94433252.

It can be written as a sum of positive squares in 4 ways, for example, as 181791289 + 70543201 = 13483^2 + 8399^2 .

It is not an unprimeable number, because it can be changed into a prime (252334499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14279 + ... + 26618.

Almost surely, 2252334490 is an apocalyptic number.

252334490 is a deficient number, since it is larger than the sum of its proper divisors (202614862).

252334490 is a wasteful number, since it uses less digits than its factorization.

252334490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41521.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 252334490 is about 15885.0398173879. The cubic root of 252334490 is about 631.9153017003.

The spelling of 252334490 in words is "two hundred fifty-two million, three hundred thirty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 617 1234 3085 6170 40897 81794 204485 408970 25233449 50466898 126167245 252334490