Base | Representation |
---|---|
bin | 1110110101001… |
… | …11101110101110 |
3 | 22200010010202202 |
4 | 13122213232232 |
5 | 223322401430 |
6 | 20202421502 |
7 | 3040354403 |
oct | 732475656 |
9 | 280103682 |
10 | 124418990 |
11 | 6425a913 |
12 | 35801892 |
13 | 1ca13407 |
14 | 1274a2aa |
15 | adc9d45 |
hex | 76a7bae |
124418990 has 32 divisors (see below), whose sum is σ = 234118080. Its totient is φ = 47545344.
The previous prime is 124418981. The next prime is 124418993. The reversal of 124418990 is 99814421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124418993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25919 + ... + 30341.
It is an arithmetic number, because the mean of its divisors is an integer number (7316190).
Almost surely, 2124418990 is an apocalyptic number.
124418990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
124418990 is a deficient number, since it is larger than the sum of its proper divisors (109699090).
124418990 is a wasteful number, since it uses less digits than its factorization.
124418990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4556.
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 124418990 is about 11154.3260665986. The cubic root of 124418990 is about 499.2241166328.
The spelling of 124418990 in words is "one hundred twenty-four million, four hundred eighteen thousand, nine hundred ninety".
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