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236256145 = 541228109
BaseRepresentation
bin11100001010011…
…11101110010001
3121110120001111121
432011033232101
5440440144040
635235442241
75566100266
oct1605175621
9543501447
10236256145
111113a6814
1267156381
1339c3ca48
142353d26d
1515b1bc4a
hexe14fb91

236256145 has 12 divisors (see below), whose sum is σ = 290601180. Its totient is φ = 184388480.

The previous prime is 236256133. The next prime is 236256151. The reversal of 236256145 is 541652632.

It can be written as a sum of positive squares in 6 ways, for example, as 166900561 + 69355584 = 12919^2 + 8328^2 .

It is not a de Polignac number, because 236256145 - 27 = 236256017 is a prime.

It is a super-2 number, since 2×2362561452 = 111633932100522050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 236256145.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5650 + ... + 22459.

It is an arithmetic number, because the mean of its divisors is an integer number (24216765).

Almost surely, 2236256145 is an apocalyptic number.

It is an amenable number.

236256145 is a deficient number, since it is larger than the sum of its proper divisors (54345035).

236256145 is an equidigital number, since it uses as much as digits as its factorization.

236256145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196 (or 28155 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 236256145 is about 15370.6260445045. The cubic root of 236256145 is about 618.1981547763.

The spelling of 236256145 in words is "two hundred thirty-six million, two hundred fifty-six thousand, one hundred forty-five".

Divisors: 1 5 41 205 1681 8405 28109 140545 1152469 5762345 47251229 236256145