Base | Representation |
---|---|
bin | 1110100001111… |
… | …10110111100101 |
3 | 22111100202211120 |
4 | 13100332313211 |
5 | 222201023300 |
6 | 20032324153 |
7 | 3010032132 |
oct | 720766745 |
9 | 274322746 |
10 | 121892325 |
11 | 62894565 |
12 | 349a3659 |
13 | 1c33a349 |
14 | 1228d589 |
15 | aa7b3a0 |
hex | 743ede5 |
121892325 has 24 divisors (see below), whose sum is σ = 203016768. Its totient is φ = 64529280.
The previous prime is 121892321. The next prime is 121892327. The reversal of 121892325 is 523298121.
It is a happy number.
It is not a de Polignac number, because 121892325 - 22 = 121892321 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121892321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4344 + ... + 16206.
It is an arithmetic number, because the mean of its divisors is an integer number (8459032).
Almost surely, 2121892325 is an apocalyptic number.
121892325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121892325 is a deficient number, since it is larger than the sum of its proper divisors (81124443).
121892325 is a wasteful number, since it uses less digits than its factorization.
121892325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12013 (or 12008 counting only the distinct ones).
The product of its digits is 8640, while the sum is 33.
The square root of 121892325 is about 11040.4857230106. The cubic root of 121892325 is about 495.8216127603.
The spelling of 121892325 in words is "one hundred twenty-one million, eight hundred ninety-two thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •