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253243232 = 2511719441
BaseRepresentation
bin11110001100000…
…10111101100000
3122122112002101222
433012002331200
51004312240412
641043514212
76163350314
oct1706027540
9578462358
10253243232
1111aa49430
1270988968
1340609988
14258c1b44
1517375072
hexf182f60

253243232 has 24 divisors (see below), whose sum is σ = 543898152. Its totient is φ = 115110400.

The previous prime is 253243223. The next prime is 253243241. The reversal of 253243232 is 232342352.

It is an interprime number because it is at equal distance from previous prime (253243223) and next prime (253243241).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 359369 + ... + 360072.

It is an arithmetic number, because the mean of its divisors is an integer number (22662423).

Almost surely, 2253243232 is an apocalyptic number.

253243232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253243232 is an abundant number, since it is smaller than the sum of its proper divisors (290654920).

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

253243232 is a wasteful number, since it uses less digits than its factorization.

253243232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719462 (or 719454 counting only the distinct ones).

The product of its digits is 8640, while the sum is 26.

The square root of 253243232 is about 15913.6178161975. The cubic root of 253243232 is about 632.6729732566.

Adding to 253243232 its reverse (232342352), we get a palindrome (485585584).

The spelling of 253243232 in words is "two hundred fifty-three million, two hundred forty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 719441 1438882 2877764 5755528 7913851 11511056 15827702 23022112 31655404 63310808 126621616 253243232