Base | Representation |
---|---|
bin | 111111111100101… |
… | …010111010101111 |
3 | 2202202210101122100 |
4 | 333330222322233 |
5 | 4144123302124 |
6 | 254243150143 |
7 | 35405144034 |
oct | 7774527257 |
9 | 2682711570 |
10 | 1072869039 |
11 | 500674430 |
12 | 25b375353 |
13 | 141371868 |
14 | a26b938b |
15 | 642c71c9 |
hex | 3ff2aeaf |
1072869039 has 48 divisors (see below), whose sum is σ = 1740735360. Its totient is φ = 631216320.
The previous prime is 1072869023. The next prime is 1072869071. The reversal of 1072869039 is 9309682701.
It is not a de Polignac number, because 1072869039 - 24 = 1072869023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1072868985 and 1072869003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1072869079) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483697 + ... + 485909.
It is an arithmetic number, because the mean of its divisors is an integer number (36265320).
Almost surely, 21072869039 is an apocalyptic number.
1072869039 is a deficient number, since it is larger than the sum of its proper divisors (667866321).
1072869039 is a wasteful number, since it uses less digits than its factorization.
1072869039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2372 (or 2369 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 1072869039 is about 32754.6796503950. The cubic root of 1072869039 is about 1023.7224739118.
The spelling of 1072869039 in words is "one billion, seventy-two million, eight hundred sixty-nine thousand, thirty-nine".
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