Search a number
-
+
253112770 = 2597260941
BaseRepresentation
bin11110001011000…
…11000111000010
3122122021110110001
433011203013002
51004244102040
641041030214
76162265051
oct1705430702
9578243401
10253112770
1111a96a409
127092536a
1340592491
142588a398
151734b59a
hexf1631c2

253112770 has 16 divisors (see below), whose sum is σ = 460301688. Its totient is φ = 100200960.

The previous prime is 253112759. The next prime is 253112807. The reversal of 253112770 is 77211352.

It can be written as a sum of positive squares in 4 ways, for example, as 247212729 + 5900041 = 15723^2 + 2429^2 .

It is an unprimeable number.

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, 129501 + ... + 131440.

Almost surely, 2253112770 is an apocalyptic number.

253112770 is a deficient number, since it is larger than the sum of its proper divisors (207188918).

253112770 is a wasteful number, since it uses less digits than its factorization.

253112770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261045.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 253112770 is about 15909.5182202353. The cubic root of 253112770 is about 632.5643109787.

The spelling of 253112770 in words is "two hundred fifty-three million, one hundred twelve thousand, seven hundred seventy".

Divisors: 1 2 5 10 97 194 485 970 260941 521882 1304705 2609410 25311277 50622554 126556385 253112770