Base | Representation |
---|---|
bin | 10010000110101… |
… | …10001010011100 |
3 | 101120202220102200 |
4 | 21003112022130 |
5 | 302334402111 |
6 | 23023051500 |
7 | 3522614652 |
oct | 1103261234 |
9 | 346686380 |
10 | 151872156 |
11 | 78800887 |
12 | 42a40b90 |
13 | 256060a7 |
14 | 16254dd2 |
15 | d4ee256 |
hex | 90d629c |
151872156 has 18 divisors (see below), whose sum is σ = 383899152. Its totient is φ = 50624040.
The previous prime is 151872109. The next prime is 151872157. The reversal of 151872156 is 651278151.
151872156 is nontrivially palindromic in base 11.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4218671 = 151872156 / (1 + 5 + 1 + 8 + 7 + 2 + 1 + 5 + 6).
It is a self number, because there is not a number n which added to its sum of digits gives 151872156.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151872157) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2109300 + ... + 2109371.
Almost surely, 2151872156 is an apocalyptic number.
It is an amenable number.
151872156 is an abundant number, since it is smaller than the sum of its proper divisors (232026996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151872156 is a wasteful number, since it uses less digits than its factorization.
151872156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4218681 (or 4218676 counting only the distinct ones).
The product of its digits is 16800, while the sum is 36.
The square root of 151872156 is about 12323.6421564406. The cubic root of 151872156 is about 533.5306653467.
The spelling of 151872156 in words is "one hundred fifty-one million, eight hundred seventy-two thousand, one hundred fifty-six".
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