Base | Representation |
---|---|
bin | 10010101111101… |
… | …01001011010011 |
3 | 101221212201120021 |
4 | 21113311023103 |
5 | 310223221232 |
6 | 23334124311 |
7 | 3616351453 |
oct | 1127651323 |
9 | 357781507 |
10 | 157242067 |
11 | 80839324 |
12 | 447b0697 |
13 | 26766358 |
14 | 16c51d63 |
15 | dc10397 |
hex | 95f52d3 |
157242067 has 8 divisors (see below), whose sum is σ = 160068960. Its totient is φ = 154432320.
The previous prime is 157242047. The next prime is 157242077. The reversal of 157242067 is 760242751.
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 157242067 - 27 = 157241939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157242017) 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, 14983 + ... + 23215.
It is an arithmetic number, because the mean of its divisors is an integer number (20008620).
Almost surely, 2157242067 is an apocalyptic number.
157242067 is a deficient number, since it is larger than the sum of its proper divisors (2826893).
157242067 is an equidigital number, since it uses as much as digits as its factorization.
157242067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8573.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 157242067 is about 12539.6198905708. The cubic root of 157242067 is about 539.7461850167.
The spelling of 157242067 in words is "one hundred fifty-seven million, two hundred forty-two thousand, sixty-seven".
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