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252092845 = 550418569
BaseRepresentation
bin11110000011010…
…10000110101101
3122120100122101001
433001222012231
51004013432340
641003120301
76150516364
oct1701520655
9576318331
10252092845
1111a3330a4
1270513091
13402c6184
14256a27db
15171e929a
hexf06a1ad

252092845 has 4 divisors (see below), whose sum is σ = 302511420. Its totient is φ = 201674272.

The previous prime is 252092843. The next prime is 252092849. The reversal of 252092845 is 548290252.

252092845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139287204 + 112805641 = 11802^2 + 10621^2 .

It is a cyclic number.

It is not a de Polignac number, because 252092845 - 21 = 252092843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252092843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25209280 + ... + 25209289.

It is an arithmetic number, because the mean of its divisors is an integer number (75627855).

Almost surely, 2252092845 is an apocalyptic number.

It is an amenable number.

252092845 is a deficient number, since it is larger than the sum of its proper divisors (50418575).

252092845 is an equidigital number, since it uses as much as digits as its factorization.

252092845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50418574.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 252092845 is about 15877.4319397061. The cubic root of 252092845 is about 631.7135219879.

The spelling of 252092845 in words is "two hundred fifty-two million, ninety-two thousand, eight hundred forty-five".

Divisors: 1 5 50418569 252092845