Search a number
-
+
115672 = 2319761
BaseRepresentation
bin11100001111011000
312212200011
4130033120
512200142
62251304
7661144
oct341730
9185604
10115672
11799a7
1256b34
134085b
1430224
1524417
hex1c3d8

115672 has 16 divisors (see below), whose sum is σ = 228600. Its totient is φ = 54720.

The previous prime is 115663. The next prime is 115679. The reversal of 115672 is 276511.

It is a super-3 number, since 3×1156723 = 4643078099833344, which contains 333 as substring.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115679) by changing a digit.

115672 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229 + ... + 532.

115672 is a Friedman number, since it can be written as 761*152, using all its digits and the basic arithmetic operations.

It is a vampire number, since it can be written as 152761 (with its own digits).

2115672 is an apocalyptic number.

It is an amenable number.

115672 is a deficient number, since it is larger than the sum of its proper divisors (112928).

115672 is a wasteful number, since it uses less digits than its factorization.

115672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 115672 is about 340.1058658712. The cubic root of 115672 is about 48.7239791006.

It can be divided in two parts, 115 and 672, that added together give a palindrome (787).

The spelling of 115672 in words is "one hundred fifteen thousand, six hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 152 761 1522 3044 6088 14459 28918 57836 115672