Search a number
-
+
86868156 = 22337972017
BaseRepresentation
bin1010010110110…
…00000010111100
320001110100201010
411023120002330
5134214240111
612341515220
72103236634
oct513300274
9201410633
1086868156
1145042371
1225112b10
1314cc659b
14b7736c4
15795daa6
hex52d80bc

86868156 has 48 divisors (see below), whose sum is σ = 210420896. Its totient is φ = 27869184.

The previous prime is 86868151. The next prime is 86868157. The reversal of 86868156 is 65186868.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86868151) 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, 42060 + ... + 44076.

Almost surely, 286868156 is an apocalyptic number.

It is an amenable number.

86868156 is an abundant number, since it is smaller than the sum of its proper divisors (123552740).

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

86868156 is a wasteful number, since it uses less digits than its factorization.

86868156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2156 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 86868156 is about 9320.3087931677. The cubic root of 86868156 is about 442.8808148884.

The spelling of 86868156 in words is "eighty-six million, eight hundred sixty-eight thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 37 74 97 111 148 194 222 291 388 444 582 1164 2017 3589 4034 6051 7178 8068 10767 12102 14356 21534 24204 43068 74629 149258 195649 223887 298516 391298 447774 586947 782596 895548 1173894 2347788 7239013 14478026 21717039 28956052 43434078 86868156