Base | Representation |
---|---|
bin | 1001111001011… |
… | …11000010001101 |
3 | 12210020100222000 |
4 | 10330233002031 |
5 | 132223431112 |
6 | 12123342513 |
7 | 2025513300 |
oct | 474570215 |
9 | 183210860 |
10 | 83030157 |
11 | 42960871 |
12 | 23981a39 |
13 | 14281692 |
14 | b054b37 |
15 | 74517dc |
hex | 4f2f08d |
83030157 has 48 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 46884096.
The previous prime is 83030149. The next prime is 83030177. The reversal of 83030157 is 75103038.
It is not a de Polignac number, because 83030157 - 23 = 83030149 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 83030157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83030117) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128008 + ... + 128654.
It is an arithmetic number, because the mean of its divisors is an integer number (3016440).
Almost surely, 283030157 is an apocalyptic number.
It is an amenable number.
83030157 is a deficient number, since it is larger than the sum of its proper divisors (61758963).
83030157 is a wasteful number, since it uses less digits than its factorization.
83030157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 767 (or 754 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 83030157 is about 9112.0885092277. The cubic root of 83030157 is about 436.2598908549.
The spelling of 83030157 in words is "eighty-three million, thirty thousand, one hundred fifty-seven".
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