Base | Representation |
---|---|
bin | 1011101100101… |
… | …11001010111001 |
3 | 20211122212022212 |
4 | 11312113022321 |
5 | 200110334021 |
6 | 13423224505 |
7 | 2301102002 |
oct | 566271271 |
9 | 224585285 |
10 | 98136761 |
11 | 50439668 |
12 | 28a48135 |
13 | 174406b8 |
14 | d0681a9 |
15 | 893785b |
hex | 5d972b9 |
98136761 has 4 divisors (see below), whose sum is σ = 99988452. Its totient is φ = 96285072.
The previous prime is 98136757. The next prime is 98136769. The reversal of 98136761 is 16763189.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16763189 = 29 ⋅578041.
It can be written as a sum of positive squares in 2 ways, for example, as 62805625 + 35331136 = 7925^2 + 5944^2 .
It is a cyclic number.
It is not a de Polignac number, because 98136761 - 22 = 98136757 is a prime.
It is a super-2 number, since 2×981367612 = 19261647719142242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (98136769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925766 + ... + 925871.
It is an arithmetic number, because the mean of its divisors is an integer number (24997113).
Almost surely, 298136761 is an apocalyptic number.
It is an amenable number.
98136761 is a deficient number, since it is larger than the sum of its proper divisors (1851691).
98136761 is a wasteful number, since it uses less digits than its factorization.
98136761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1851690.
The product of its digits is 54432, while the sum is 41.
The square root of 98136761 is about 9906.4000020189. The cubic root of 98136761 is about 461.2579947841.
The spelling of 98136761 in words is "ninety-eight million, one hundred thirty-six thousand, seven hundred sixty-one".
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