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115396738 = 257698369
BaseRepresentation
bin1101110000011…
…01000010000010
322001010202120021
412320031002002
5214020143423
615241204054
72600566432
oct670150202
9261122507
10115396738
115a158306
123279062a
131aba48c2
141147c2c2
15a1e695d
hex6e0d082

115396738 has 4 divisors (see below), whose sum is σ = 173095110. Its totient is φ = 57698368.

The previous prime is 115396711. The next prime is 115396739. The reversal of 115396738 is 837693511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837693511 = 2336421457.

It can be written as a sum of positive squares in only one way, i.e., 115283169 + 113569 = 10737^2 + 337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115396694 and 115396703.

It is not an unprimeable number, because it can be changed into a prime (115396739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28849183 + ... + 28849186.

Almost surely, 2115396738 is an apocalyptic number.

115396738 is a deficient number, since it is larger than the sum of its proper divisors (57698372).

115396738 is an equidigital number, since it uses as much as digits as its factorization.

115396738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57698371.

The product of its digits is 136080, while the sum is 43.

The square root of 115396738 is about 10742.2873728085. The cubic root of 115396738 is about 486.8529929142.

The spelling of 115396738 in words is "one hundred fifteen million, three hundred ninety-six thousand, seven hundred thirty-eight".

Divisors: 1 2 57698369 115396738