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151912 = 23171117
BaseRepresentation
bin100101000101101000
321201101101
4211011220
514330122
63131144
71201615
oct450550
9251341
10151912
11a4152
1273ab4
13541b7
143d50c
1530027
hex25168

151912 has 16 divisors (see below), whose sum is σ = 301860. Its totient is φ = 71424.

The previous prime is 151909. The next prime is 151937. The reversal of 151912 is 219151.

It can be written as a sum of positive squares in 2 ways, for example, as 148996 + 2916 = 386^2 + 54^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151912.

It is an unprimeable number.

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, 423 + ... + 694.

2151912 is an apocalyptic number.

It is an amenable number.

151912 is a deficient number, since it is larger than the sum of its proper divisors (149948).

151912 is a wasteful number, since it uses less digits than its factorization.

151912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1136 counting only the distinct ones).

The product of its digits is 90, while the sum is 19.

The square root of 151912 is about 389.7588998342. The cubic root of 151912 is about 53.3577318922.

It can be divided in two parts, 15 and 1912, that multiplied together give a triangular number (28680 = T239).

The spelling of 151912 in words is "one hundred fifty-one thousand, nine hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1117 2234 4468 8936 18989 37978 75956 151912