Base | Representation |
---|---|
bin | 1001001000010… |
… | …0110111001011 |
3 | 2200001111001000 |
4 | 2102010313023 |
5 | 34300333224 |
6 | 3444430043 |
7 | 643325136 |
oct | 222046713 |
9 | 80044030 |
10 | 38292939 |
11 | 1a685063 |
12 | 109a8323 |
13 | 7c19859 |
14 | 512b21d |
15 | 35660c9 |
hex | 2484dcb |
38292939 has 8 divisors (see below), whose sum is σ = 56730320. Its totient is φ = 25528608.
The previous prime is 38292931. The next prime is 38292941. The reversal of 38292939 is 93929283.
It is not a de Polignac number, because 38292939 - 23 = 38292931 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38292894 and 38292903.
It is not an unprimeable number, because it can be changed into a prime (38292931) 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, 709102 + ... + 709155.
It is an arithmetic number, because the mean of its divisors is an integer number (7091290).
Almost surely, 238292939 is an apocalyptic number.
38292939 is a deficient number, since it is larger than the sum of its proper divisors (18437381).
38292939 is a wasteful number, since it uses less digits than its factorization.
38292939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1418266 (or 1418260 counting only the distinct ones).
The product of its digits is 209952, while the sum is 45.
The square root of 38292939 is about 6188.1288771324. The cubic root of 38292939 is about 337.0592369754.
The spelling of 38292939 in words is "thirty-eight million, two hundred ninety-two thousand, nine hundred thirty-nine".
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