Base | Representation |
---|---|
bin | 10010101111011… |
… | …11101001000000 |
3 | 101221211120110110 |
4 | 21113233221000 |
5 | 310222010032 |
6 | 23333431320 |
7 | 3616225401 |
oct | 1127575100 |
9 | 357746413 |
10 | 157219392 |
11 | 80823290 |
12 | 4479b540 |
13 | 26758c35 |
14 | 16c479a8 |
15 | dc087cc |
hex | 95efa40 |
157219392 has 56 divisors (see below), whose sum is σ = 453798432. Its totient is φ = 47641600.
The previous prime is 157219369. The next prime is 157219393. The reversal of 157219392 is 293912751.
157219392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 157219392.
It is not an unprimeable number, because it can be changed into a prime (157219393) 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, 35109 + ... + 39332.
Almost surely, 2157219392 is an apocalyptic number.
157219392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157219392 is an abundant number, since it is smaller than the sum of its proper divisors (296579040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157219392 is a wasteful number, since it uses less digits than its factorization.
157219392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74467 (or 74457 counting only the distinct ones).
The product of its digits is 34020, while the sum is 39.
The square root of 157219392 is about 12538.7157237095. The cubic root of 157219392 is about 539.7202391756.
The spelling of 157219392 in words is "one hundred fifty-seven million, two hundred nineteen thousand, three hundred ninety-two".
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