Base | Representation |
---|---|
bin | 10010101110111… |
… | …10100011000111 |
3 | 101221201000102112 |
4 | 21113132203013 |
5 | 310212240013 |
6 | 23332131235 |
7 | 3615514316 |
oct | 1127364307 |
9 | 357630375 |
10 | 157149383 |
11 | 80785726 |
12 | 44766b1b |
13 | 26733101 |
14 | 16c2a27d |
15 | dbe2ba8 |
hex | 95de8c7 |
157149383 has 2 divisors, whose sum is σ = 157149384. Its totient is φ = 157149382.
The previous prime is 157149379. The next prime is 157149389. The reversal of 157149383 is 383941751.
It is a weak prime.
It is an emirp because it is prime and its reverse (383941751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157149383 - 22 = 157149379 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157149383.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157149389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78574691 + 78574692.
It is an arithmetic number, because the mean of its divisors is an integer number (78574692).
Almost surely, 2157149383 is an apocalyptic number.
157149383 is a deficient number, since it is larger than the sum of its proper divisors (1).
157149383 is an equidigital number, since it uses as much as digits as its factorization.
157149383 is an evil number, because the sum of its binary digits is even.
The product of its digits is 90720, while the sum is 41.
The square root of 157149383 is about 12535.9236995125. The cubic root of 157149383 is about 539.6401157174.
The spelling of 157149383 in words is "one hundred fifty-seven million, one hundred forty-nine thousand, three hundred eighty-three".
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