Search a number
-
+
156968 = 2372803
BaseRepresentation
bin100110010100101000
321222022122
4212110220
520010333
63210412
71222430
oct462450
9258278
10156968
11a7a29
1276a08
13565a6
14412c0
1531798
hex26528

156968 has 16 divisors (see below), whose sum is σ = 336480. Its totient is φ = 67248.

The previous prime is 156967. The next prime is 156971. The reversal of 156968 is 869651.

156968 = T132 + T133 + ... + T147.

It is not an unprimeable number, because it can be changed into a prime (156967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (21030).

2156968 is an apocalyptic number.

It is an amenable number.

156968 is an abundant number, since it is smaller than the sum of its proper divisors (179512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156968 is a wasteful number, since it uses less digits than its factorization.

156968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2812 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 156968 is about 396.1918727082. The cubic root of 156968 is about 53.9432416894.

The spelling of 156968 in words is "one hundred fifty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 2803 5606 11212 19621 22424 39242 78484 156968