Search a number
-
+
115451153 = 791461407
BaseRepresentation
bin1101110000110…
…10010100010001
322001020112012122
412320122110101
5214023414103
615242304025
72601214166
oct670322421
9261215178
10115451153
115a195184
12327b8015
131abc35bc
141149406d
15a207b38
hex6e1a511

115451153 has 4 divisors (see below), whose sum is σ = 116912640. Its totient is φ = 113989668.

The previous prime is 115451143. The next prime is 115451159. The reversal of 115451153 is 351154511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351154511 = 2749127739.

It is a cyclic number.

It is not a de Polignac number, because 115451153 - 216 = 115385617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115451159) 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, 730625 + ... + 730782.

It is an arithmetic number, because the mean of its divisors is an integer number (29228160).

Almost surely, 2115451153 is an apocalyptic number.

It is an amenable number.

115451153 is a deficient number, since it is larger than the sum of its proper divisors (1461487).

115451153 is an equidigital number, since it uses as much as digits as its factorization.

115451153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461486.

The product of its digits is 1500, while the sum is 26.

The square root of 115451153 is about 10744.8198216629. The cubic root of 115451153 is about 486.9295055986.

The spelling of 115451153 in words is "one hundred fifteen million, four hundred fifty-one thousand, one hundred fifty-three".

Divisors: 1 79 1461407 115451153