Base | Representation |
---|---|
bin | 10010101110111… |
… | …10001000011000 |
3 | 101221200221002011 |
4 | 21113132020120 |
5 | 310212211142 |
6 | 23332115304 |
7 | 3615506323 |
oct | 1127361030 |
9 | 357627064 |
10 | 157147672 |
11 | 80784410 |
12 | 44765b34 |
13 | 267323b6 |
14 | 16c297ba |
15 | dbe2417 |
hex | 95de218 |
157147672 has 16 divisors (see below), whose sum is σ = 321438600. Its totient is φ = 71430720.
The previous prime is 157147657. The next prime is 157147673. The reversal of 157147672 is 276741751.
It is a happy number.
157147672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157147673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892797 + ... + 892972.
Almost surely, 2157147672 is an apocalyptic number.
It is an amenable number.
157147672 is an abundant number, since it is smaller than the sum of its proper divisors (164290928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157147672 is a wasteful number, since it uses less digits than its factorization.
157147672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1785786 (or 1785782 counting only the distinct ones).
The product of its digits is 82320, while the sum is 40.
The square root of 157147672 is about 12535.8554554526. The cubic root of 157147672 is about 539.6381572250.
The spelling of 157147672 in words is "one hundred fifty-seven million, one hundred forty-seven thousand, six hundred seventy-two".
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