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115413047 = 137857983
BaseRepresentation
bin1101110000100…
…01000000110111
322001011120221022
412320101000313
5214021204142
615241411355
72600665121
oct670210067
9261146838
10115413047
115a169592
1232799b5b
131abac159
1411484211
15a1eb6d2
hex6e11037

115413047 has 8 divisors (see below), whose sum is σ = 116509536. Its totient is φ = 114320512.

The previous prime is 115412933. The next prime is 115413071. The reversal of 115413047 is 740314511.

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

It is a cyclic number.

It is not a de Polignac number, because 115413047 - 226 = 48304183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115413097) 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, 116918 + ... + 117900.

It is an arithmetic number, because the mean of its divisors is an integer number (14563692).

Almost surely, 2115413047 is an apocalyptic number.

115413047 is a deficient number, since it is larger than the sum of its proper divisors (1096489).

115413047 is an equidigital number, since it uses as much as digits as its factorization.

115413047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 115413047 is about 10743.0464487500. The cubic root of 115413047 is about 486.8759274488.

Adding to 115413047 its reverse (740314511), we get a palindrome (855727558).

The spelling of 115413047 in words is "one hundred fifteen million, four hundred thirteen thousand, forty-seven".

Divisors: 1 137 857 983 117409 134671 842431 115413047