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115204091 = 3115124611
BaseRepresentation
bin1101101110111…
…01111111111011
322000202222022012
412313131333323
5213443012331
615233120135
72566134662
oct667357773
9260688265
10115204091
115a0365a2
12326b904b
131ab38002
141142bdd9
15a1a982b
hex6dddffb

115204091 has 8 divisors (see below), whose sum is σ = 119712768. Its totient is φ = 110745000.

The previous prime is 115204069. The next prime is 115204129. The reversal of 115204091 is 190402511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115204091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115204891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7625 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (14964096).

Almost surely, 2115204091 is an apocalyptic number.

115204091 is a deficient number, since it is larger than the sum of its proper divisors (4508677).

115204091 is a wasteful number, since it uses less digits than its factorization.

115204091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 115204091 is about 10733.3168685174. The cubic root of 115204091 is about 486.5819193667.

The spelling of 115204091 in words is "one hundred fifteen million, two hundred four thousand, ninety-one".

Divisors: 1 31 151 4681 24611 762941 3716261 115204091