Base | Representation |
---|---|
bin | 1110011111011010… |
… | …1100010010011000 |
3 | 101001002111002002002 |
4 | 3213312230102120 |
5 | 30431301432242 |
6 | 1441553300132 |
7 | 165252245510 |
oct | 34766542230 |
9 | 11032432062 |
10 | 3889874072 |
11 | 1716806a67 |
12 | 906864648 |
13 | 49cb73c46 |
14 | 28c888840 |
15 | 17b770432 |
hex | e7dac498 |
3889874072 has 32 divisors (see below), whose sum is σ = 8339846400. Its totient is φ = 1666208544.
The previous prime is 3889874063. The next prime is 3889874083. The reversal of 3889874072 is 2704789883.
It is a super-2 number, since 2×38898740722 = 30262240592035722368, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a junction number, because it is equal to n+sod(n) for n = 3889873999 and 3889874017.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 94829 + ... + 129507.
It is an arithmetic number, because the mean of its divisors is an integer number (260620200).
Almost surely, 23889874072 is an apocalyptic number.
It is an amenable number.
3889874072 is an abundant number, since it is smaller than the sum of its proper divisors (4449972328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3889874072 is a wasteful number, since it uses less digits than its factorization.
3889874072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36695 (or 36691 counting only the distinct ones).
The product of its (nonzero) digits is 5419008, while the sum is 56.
The square root of 3889874072 is about 62368.8549838780. The cubic root of 3889874072 is about 1572.6974429629.
The spelling of 3889874072 in words is "three billion, eight hundred eighty-nine million, eight hundred seventy-four thousand, seventy-two".
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