Base | Representation |
---|---|
bin | 1110010110010… |
… | …11110000000111 |
3 | 22101111112122210 |
4 | 13023023300013 |
5 | 221303402411 |
6 | 15535554503 |
7 | 2661101310 |
oct | 713136007 |
9 | 271445583 |
10 | 120372231 |
11 | 61a46491 |
12 | 3438ba33 |
13 | 1bc27495 |
14 | 11db5607 |
15 | a87aca6 |
hex | 72cbc07 |
120372231 has 8 divisors (see below), whose sum is σ = 183424384. Its totient is φ = 68784120.
The previous prime is 120372199. The next prime is 120372293. The reversal of 120372231 is 132273021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120372231 - 25 = 120372199 is a prime.
It is a super-2 number, since 2×1203722312 = 28978947991834722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5732011 = 120372231 / (1 + 2 + 0 + 3 + 7 + 2 + 2 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120372198 and 120372207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120370231) 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, 2865985 + ... + 2866026.
It is an arithmetic number, because the mean of its divisors is an integer number (22928048).
Almost surely, 2120372231 is an apocalyptic number.
120372231 is a deficient number, since it is larger than the sum of its proper divisors (63052153).
120372231 is an equidigital number, since it uses as much as digits as its factorization.
120372231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5732021.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 120372231 is about 10971.4279380580. The cubic root of 120372231 is about 493.7518887713.
The spelling of 120372231 in words is "one hundred twenty million, three hundred seventy-two thousand, two hundred thirty-one".
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