Base | Representation |
---|---|
bin | 10010101111111… |
… | …00001001110001 |
3 | 101221221011202120 |
4 | 21113330021301 |
5 | 310230130031 |
6 | 23334504453 |
7 | 3616530663 |
oct | 1127741161 |
9 | 357834676 |
10 | 157270641 |
11 | 80858840 |
12 | 44805129 |
13 | 26776368 |
14 | 16c5c533 |
15 | dc18a96 |
hex | 95fc271 |
157270641 has 32 divisors (see below), whose sum is σ = 235243008. Its totient is φ = 92653440.
The previous prime is 157270639. The next prime is 157270661. The reversal of 157270641 is 146072751.
It is not a de Polignac number, because 157270641 - 21 = 157270639 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (157270661) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183085 + ... + 183941.
It is an arithmetic number, because the mean of its divisors is an integer number (7351344).
Almost surely, 2157270641 is an apocalyptic number.
157270641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
157270641 is a deficient number, since it is larger than the sum of its proper divisors (77972367).
157270641 is a wasteful number, since it uses less digits than its factorization.
157270641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021.
The product of its (nonzero) digits is 11760, while the sum is 33.
The square root of 157270641 is about 12540.7591875452. The cubic root of 157270641 is about 539.7788772296.
The spelling of 157270641 in words is "one hundred fifty-seven million, two hundred seventy thousand, six hundred forty-one".
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