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151650161 = 1337315281
BaseRepresentation
bin10010000100111…
…11111101110001
3101120100121220122
421002133331301
5302310301121
623014220025
73521001515
oct1102377561
9346317818
10151650161
117866a013
1242954615
1325559030
14161d8145
15d4a85ab
hex909ff71

151650161 has 8 divisors (see below), whose sum is σ = 167730024. Its totient is φ = 136200960.

The previous prime is 151650157. The next prime is 151650167. The reversal of 151650161 is 161056151.

It can be written as a sum of positive squares in 4 ways, for example, as 69639025 + 82011136 = 8345^2 + 9056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151650161 - 22 = 151650157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151650161.

It is not an unprimeable number, because it can be changed into a prime (151650167) 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, 157160 + ... + 158121.

It is an arithmetic number, because the mean of its divisors is an integer number (20966253).

Almost surely, 2151650161 is an apocalyptic number.

It is an amenable number.

151650161 is a deficient number, since it is larger than the sum of its proper divisors (16079863).

151650161 is a wasteful number, since it uses less digits than its factorization.

151650161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315331.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 151650161 is about 12314.6319880052. The cubic root of 151650161 is about 533.2705805941.

The spelling of 151650161 in words is "one hundred fifty-one million, six hundred fifty thousand, one hundred sixty-one".

Divisors: 1 13 37 481 315281 4098653 11665397 151650161