Search a number
-
+
151556166 = 23243195809
BaseRepresentation
bin10010000100010…
…01000001000110
3101120011211222100
421002021001012
5302244244131
623012212530
73520130466
oct1102110106
9346154870
10151556166
1178605433
124290a146
1325525308
14161b1ba6
15d48a7e6
hex9089046

151556166 has 24 divisors (see below), whose sum is σ = 336009960. Its totient is φ = 49343616.

The previous prime is 151556159. The next prime is 151556183. The reversal of 151556166 is 661655151.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151556166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97131 + ... + 98678.

It is an arithmetic number, because the mean of its divisors is an integer number (14000415).

Almost surely, 2151556166 is an apocalyptic number.

151556166 is an abundant number, since it is smaller than the sum of its proper divisors (184453794).

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

151556166 is a wasteful number, since it uses less digits than its factorization.

151556166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195860 (or 195857 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 151556166 is about 12310.8150014530. The cubic root of 151556166 is about 533.1603815072.

It can be divided in two parts, 15155 and 6166, that added together give a triangular number (21321 = T206).

The spelling of 151556166 in words is "one hundred fifty-one million, five hundred fifty-six thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 195809 391618 587427 1174854 1762281 3524562 8419787 16839574 25259361 50518722 75778083 151556166