Base | Representation |
---|---|
bin | 10010101110111… |
… | …10011101111111 |
3 | 101221200222222101 |
4 | 21113132131333 |
5 | 310212232210 |
6 | 23332125531 |
7 | 3615513340 |
oct | 1127363577 |
9 | 357628871 |
10 | 157149055 |
11 | 80785458 |
12 | 447668a7 |
13 | 26732c0b |
14 | 16c2a0c7 |
15 | dbe2a3a |
hex | 95de77f |
157149055 has 8 divisors (see below), whose sum is σ = 215518752. Its totient is φ = 107759328.
The previous prime is 157149053. The next prime is 157149073. The reversal of 157149055 is 550941751.
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 157149055 - 21 = 157149053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157149053) 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, 2244952 + ... + 2245021.
It is an arithmetic number, because the mean of its divisors is an integer number (26939844).
Almost surely, 2157149055 is an apocalyptic number.
157149055 is a deficient number, since it is larger than the sum of its proper divisors (58369697).
157149055 is an equidigital number, since it uses as much as digits as its factorization.
157149055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4489985.
The product of its (nonzero) digits is 31500, while the sum is 37.
The square root of 157149055 is about 12535.9106171032. The cubic root of 157149055 is about 539.6397402740.
The spelling of 157149055 in words is "one hundred fifty-seven million, one hundred forty-nine thousand, fifty-five".
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