Base | Representation |
---|---|
bin | 1110101000111… |
… | …01001100101100 |
3 | 22120002001000211 |
4 | 13110131030230 |
5 | 222414143423 |
6 | 20104032204 |
7 | 3020544130 |
oct | 724351454 |
9 | 276061024 |
10 | 122802988 |
11 | 63356780 |
12 | 35162664 |
13 | 1c5989b9 |
14 | 124493c0 |
15 | abab10d |
hex | 751d32c |
122802988 has 24 divisors (see below), whose sum is σ = 267934464. Its totient is φ = 47845200.
The previous prime is 122802973. The next prime is 122802989. The reversal of 122802988 is 889208221.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 122802988.
It is not an unprimeable number, because it can be changed into a prime (122802989) 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, 199048 + ... + 199663.
It is an arithmetic number, because the mean of its divisors is an integer number (11163936).
Almost surely, 2122802988 is an apocalyptic number.
It is an amenable number.
122802988 is an abundant number, since it is smaller than the sum of its proper divisors (145131476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122802988 is a wasteful number, since it uses less digits than its factorization.
122802988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398733 (or 398731 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 40.
The square root of 122802988 is about 11081.6509600330. The cubic root of 122802988 is about 497.0533189224.
The spelling of 122802988 in words is "one hundred twenty-two million, eight hundred two thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •