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115252238 = 257626119
BaseRepresentation
bin1101101111010…
…01110000001110
322000212102100102
412313221300032
5214001032423
615234131102
72566425233
oct667516016
9260772312
10115252238
115a069792
1232720a92
131ab53bba
141144178a
15a1b8c28
hex6de9c0e

115252238 has 4 divisors (see below), whose sum is σ = 172878360. Its totient is φ = 57626118.

The previous prime is 115252237. The next prime is 115252259. The reversal of 115252238 is 832252511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832252511 = 1129737159.

It is a self number, because there is not a number n which added to its sum of digits gives 115252238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115252237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28813058 + ... + 28813061.

It is an arithmetic number, because the mean of its divisors is an integer number (43219590).

Almost surely, 2115252238 is an apocalyptic number.

115252238 is a deficient number, since it is larger than the sum of its proper divisors (57626122).

115252238 is an equidigital number, since it uses as much as digits as its factorization.

115252238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57626121.

The product of its digits is 4800, while the sum is 29.

The square root of 115252238 is about 10735.5595103376. The cubic root of 115252238 is about 486.6496953069.

The spelling of 115252238 in words is "one hundred fifteen million, two hundred fifty-two thousand, two hundred thirty-eight".

Divisors: 1 2 57626119 115252238