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3889874072 = 237200334679
BaseRepresentation
bin1110011111011010…
…1100010010011000
3101001002111002002002
43213312230102120
530431301432242
61441553300132
7165252245510
oct34766542230
911032432062
103889874072
111716806a67
12906864648
1349cb73c46
1428c888840
1517b770432
hexe7dac498

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".

Divisors: 1 2 4 7 8 14 28 56 2003 4006 8012 14021 16024 28042 34679 56084 69358 112168 138716 242753 277432 485506 971012 1942024 69462037 138924074 277848148 486234259 555696296 972468518 1944937036 3889874072