Base | Representation |
---|---|
bin | 10010100000011… |
… | …11010110111010 |
3 | 101211010121220210 |
4 | 21100033112322 |
5 | 304221032104 |
6 | 23223331550 |
7 | 3563423121 |
oct | 1120172672 |
9 | 354117823 |
10 | 155252154 |
11 | 7a6aa272 |
12 | 43bb0bb6 |
13 | 2621a6a5 |
14 | 16894ab8 |
15 | d96a989 |
hex | 940f5ba |
155252154 has 64 divisors (see below), whose sum is σ = 340623360. Its totient is φ = 46992960.
The previous prime is 155252131. The next prime is 155252183. The reversal of 155252154 is 451252551.
155252154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696087 + ... + 696309.
It is an arithmetic number, because the mean of its divisors is an integer number (5322240).
Almost surely, 2155252154 is an apocalyptic number.
155252154 is an abundant number, since it is smaller than the sum of its proper divisors (185371206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155252154 is a wasteful number, since it uses less digits than its factorization.
155252154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475.
The product of its digits is 10000, while the sum is 30.
The square root of 155252154 is about 12460.0222311198. The cubic root of 155252154 is about 537.4596662722.
The spelling of 155252154 in words is "one hundred fifty-five million, two hundred fifty-two thousand, one hundred fifty-four".
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