Base | Representation |
---|---|
bin | 10010100011110… |
… | …10110001111000 |
3 | 101211221222111000 |
4 | 21101322301320 |
5 | 304324122102 |
6 | 23241005000 |
7 | 3600234660 |
oct | 1121726170 |
9 | 354858430 |
10 | 155692152 |
11 | 7a97a900 |
12 | 44183760 |
13 | 26342a45 |
14 | 1696b1a0 |
15 | da0601c |
hex | 947ac78 |
155692152 has 384 divisors, whose sum is σ = 582220800. Its totient is φ = 37635840.
The previous prime is 155692151. The next prime is 155692157. The reversal of 155692152 is 251296551.
155692152 is a `hidden beast` number, since 1 + 556 + 92 + 15 + 2 = 666.
155692152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1556921522 = 48480092388782208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155692151) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4207878 + ... + 4207914.
It is an arithmetic number, because the mean of its divisors is an integer number (1516200).
Almost surely, 2155692152 is an apocalyptic number.
155692152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155692152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291110400).
155692152 is an abundant number, since it is smaller than the sum of its proper divisors (426528648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155692152 is a wasteful number, since it uses less digits than its factorization.
155692152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104 (or 83 counting only the distinct ones).
The product of its digits is 27000, while the sum is 36.
The square root of 155692152 is about 12477.6661279263. Note that the first 3 decimals coincide. The cubic root of 155692152 is about 537.9669230596.
The spelling of 155692152 in words is "one hundred fifty-five million, six hundred ninety-two thousand, one hundred fifty-two".
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