Base | Representation |
---|---|
bin | 10010101111000… |
… | …10001110110101 |
3 | 101221201210010021 |
4 | 21113202032311 |
5 | 310213230334 |
6 | 23332325141 |
7 | 3615606310 |
oct | 1127421665 |
9 | 357653107 |
10 | 157164469 |
11 | 80795aa0 |
12 | 447737b1 |
13 | 26739c37 |
14 | 16c31977 |
15 | dbe73b4 |
hex | 95e23b5 |
157164469 has 8 divisors (see below), whose sum is σ = 195945408. Its totient is φ = 122465760.
The previous prime is 157164467. The next prime is 157164481. The reversal of 157164469 is 964461751.
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 157164469 - 21 = 157164467 is a prime.
It is a super-2 number, since 2×1571644692 = 49401340632103922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157164461) 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, 1020472 + ... + 1020625.
It is an arithmetic number, because the mean of its divisors is an integer number (24493176).
Almost surely, 2157164469 is an apocalyptic number.
It is an amenable number.
157164469 is a deficient number, since it is larger than the sum of its proper divisors (38780939).
157164469 is a wasteful number, since it uses less digits than its factorization.
157164469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2041115.
The product of its digits is 181440, while the sum is 43.
The square root of 157164469 is about 12536.5253958184. The cubic root of 157164469 is about 539.6573832585.
The spelling of 157164469 in words is "one hundred fifty-seven million, one hundred sixty-four thousand, four hundred sixty-nine".
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