Base | Representation |
---|---|
bin | 10010110011001… |
… | …01000101100111 |
3 | 101222202000100121 |
4 | 21121211011213 |
5 | 310332403310 |
6 | 23352022411 |
7 | 3623301043 |
oct | 1131450547 |
9 | 358660317 |
10 | 157700455 |
11 | 81021760 |
12 | 44991a07 |
13 | 26896ba3 |
14 | 16d31023 |
15 | dca10da |
hex | 9665167 |
157700455 has 8 divisors (see below), whose sum is σ = 206444304. Its totient is φ = 114691200.
The previous prime is 157700453. The next prime is 157700507. The reversal of 157700455 is 554007751.
It is a happy number.
157700455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157700455 - 21 = 157700453 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157700455.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157700453) 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, 1433586 + ... + 1433695.
It is an arithmetic number, because the mean of its divisors is an integer number (25805538).
Almost surely, 2157700455 is an apocalyptic number.
157700455 is a deficient number, since it is larger than the sum of its proper divisors (48743849).
157700455 is a wasteful number, since it uses less digits than its factorization.
157700455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2867297.
The product of its (nonzero) digits is 24500, while the sum is 34.
The square root of 157700455 is about 12557.8841768827. The cubic root of 157700455 is about 540.2701608842.
The spelling of 157700455 in words is "one hundred fifty-seven million, seven hundred thousand, four hundred fifty-five".
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