Base | Representation |
---|---|
bin | 10010101110011… |
… | …00001110011011 |
3 | 101221120012110211 |
4 | 21113030032123 |
5 | 310202334311 |
6 | 23330351551 |
7 | 3615052441 |
oct | 1127141633 |
9 | 357505424 |
10 | 157074331 |
11 | 807342a7 |
12 | 4472b5b7 |
13 | 26707bbb |
14 | 16c0ab91 |
15 | dbca821 |
hex | 95cc39b |
157074331 has 8 divisors (see below), whose sum is σ = 161068880. Its totient is φ = 153128448.
The previous prime is 157074299. The next prime is 157074367. The reversal of 157074331 is 133470751.
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 157074331 - 25 = 157074299 is a prime.
It is a super-2 number, since 2×1570743312 = 49344690918195122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 157074293 and 157074302.
It is not an unprimeable number, because it can be changed into a prime (157074431) 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, 5586 + ... + 18583.
It is an arithmetic number, because the mean of its divisors is an integer number (20133610).
Almost surely, 2157074331 is an apocalyptic number.
157074331 is a deficient number, since it is larger than the sum of its proper divisors (3994549).
157074331 is an equidigital number, since it uses as much as digits as its factorization.
157074331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24333.
The product of its (nonzero) digits is 8820, while the sum is 31.
The square root of 157074331 is about 12532.9298649597. The cubic root of 157074331 is about 539.5541942448.
The spelling of 157074331 in words is "one hundred fifty-seven million, seventy-four thousand, three hundred thirty-one".
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