Search a number
-
+
108156412 = 22713297133
BaseRepresentation
bin1100111001001…
…01010111111100
321112111220201001
412130211113330
5210142001122
614422100044
72452212550
oct634452774
9245456631
10108156412
1156062571
123027a624
131953b1a0
1410515860
159766527
hex67255fc

108156412 has 24 divisors (see below), whose sum is σ = 232953056. Its totient is φ = 42787008.

The previous prime is 108156331. The next prime is 108156413. The reversal of 108156412 is 214651801.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108156413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148203 + ... + 148930.

Almost surely, 2108156412 is an apocalyptic number.

It is an amenable number.

108156412 is an abundant number, since it is smaller than the sum of its proper divisors (124796644).

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

108156412 is a wasteful number, since it uses less digits than its factorization.

108156412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297157 (or 297155 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 108156412 is about 10399.8274985694. The cubic root of 108156412 is about 476.4501015234.

It can be divided in two parts, 108 and 156412, that added together give a triangular number (156520 = T559).

The spelling of 108156412 in words is "one hundred eight million, one hundred fifty-six thousand, four hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 297133 594266 1188532 2079931 3862729 4159862 7725458 8319724 15450916 27039103 54078206 108156412