Base | Representation |
---|---|
bin | 1011100101110… |
… | …11111100110101 |
3 | 20202222020121102 |
4 | 11302323330311 |
5 | 144343120322 |
6 | 13352055445 |
7 | 2260342103 |
oct | 562737465 |
9 | 222866542 |
10 | 97238837 |
11 | 4a985a83 |
12 | 28694585 |
13 | 171b7a97 |
14 | ccb2c73 |
15 | 880b792 |
hex | 5cbbf35 |
97238837 has 4 divisors (see below), whose sum is σ = 97258560. Its totient is φ = 97219116.
The previous prime is 97238833. The next prime is 97238857. The reversal of 97238837 is 73883279.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73883279 = 227 ⋅325477.
It is a cyclic number.
It is not a de Polignac number, because 97238837 - 22 = 97238833 is a prime.
It is a super-2 number, since 2×972388372 = 18910782842225138, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 97238791 and 97238800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97238833) 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, 4898 + ... + 14780.
It is an arithmetic number, because the mean of its divisors is an integer number (24314640).
Almost surely, 297238837 is an apocalyptic number.
It is an amenable number.
97238837 is a deficient number, since it is larger than the sum of its proper divisors (19723).
97238837 is an equidigital number, since it uses as much as digits as its factorization.
97238837 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19722.
The product of its digits is 508032, while the sum is 47.
The square root of 97238837 is about 9860.9754588479. The cubic root of 97238837 is about 459.8468882356.
The spelling of 97238837 in words is "ninety-seven million, two hundred thirty-eight thousand, eight hundred thirty-seven".
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