Search a number
-
+
156797814 = 23313672297
BaseRepresentation
bin10010101100010…
…00101101110110
3101221001011011110
421112020231312
5310120012224
623320415450
73612521325
oct1126105566
9357034143
10156797814
1180565578
1244617586
132663c094
1416b780bc
15db73929
hex9588b76

156797814 has 32 divisors (see below), whose sum is σ = 324734976. Its totient is φ = 50420160.

The previous prime is 156797813. The next prime is 156797819. The reversal of 156797814 is 418797651.

156797814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1567978143 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156797813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67114 + ... + 69410.

It is an arithmetic number, because the mean of its divisors is an integer number (10147968).

Almost surely, 2156797814 is an apocalyptic number.

156797814 is an abundant number, since it is smaller than the sum of its proper divisors (167937162).

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

156797814 is a wasteful number, since it uses less digits than its factorization.

156797814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its digits is 423360, while the sum is 48.

The square root of 156797814 is about 12521.8933871839. The cubic root of 156797814 is about 539.2373940370.

The spelling of 156797814 in words is "one hundred fifty-six million, seven hundred ninety-seven thousand, eight hundred fourteen".

Divisors: 1 2 3 6 31 62 93 186 367 734 1101 2202 2297 4594 6891 11377 13782 22754 34131 68262 71207 142414 213621 427242 842999 1685998 2528997 5057994 26132969 52265938 78398907 156797814