Base | Representation |
---|---|
bin | 10010101111001… |
… | …01010011001001 |
3 | 101221202102100121 |
4 | 21113211103021 |
5 | 310214131113 |
6 | 23332503241 |
7 | 3615661036 |
oct | 1127452311 |
9 | 357672317 |
10 | 157177033 |
11 | 807a4482 |
12 | 4477ab21 |
13 | 26742880 |
14 | 16c3638d |
15 | dbeae8d |
hex | 95e54c9 |
157177033 has 4 divisors (see below), whose sum is σ = 169267588. Its totient is φ = 145086480.
The previous prime is 157176989. The next prime is 157177039. The reversal of 157177033 is 330771751.
It is a happy number.
157177033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 50509449 + 106667584 = 7107^2 + 10328^2 .
It is a cyclic number.
It is not a de Polignac number, because 157177033 - 29 = 157176521 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 157177033.
It is not an unprimeable number, because it can be changed into a prime (157177039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6045258 + ... + 6045283.
It is an arithmetic number, because the mean of its divisors is an integer number (42316897).
Almost surely, 2157177033 is an apocalyptic number.
157177033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
157177033 is a deficient number, since it is larger than the sum of its proper divisors (12090555).
157177033 is a wasteful number, since it uses less digits than its factorization.
157177033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12090554.
The product of its (nonzero) digits is 15435, while the sum is 34.
The square root of 157177033 is about 12537.0264815865. The cubic root of 157177033 is about 539.6717632574.
The spelling of 157177033 in words is "one hundred fifty-seven million, one hundred seventy-seven thousand, thirty-three".
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