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3680889648 = 243372072573
BaseRepresentation
bin1101101101100101…
…1110101100110000
3100111112020120100020
43123121132230300
530014301432043
61405130123440
7160134021462
oct33331365460
910445216306
103680889648
111619847967
12868880580
13468792417
1426cc08132
1516823de83
hexdb65eb30

3680889648 has 40 divisors (see below), whose sum is σ = 9765968688. Its totient is φ = 1193801472.

The previous prime is 3680889607. The next prime is 3680889659. The reversal of 3680889648 is 8469880863.

It is a junction number, because it is equal to n+sod(n) for n = 3680889591 and 3680889600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034511 + ... + 1038062.

Almost surely, 23680889648 is an apocalyptic number.

It is an amenable number.

3680889648 is an abundant number, since it is smaller than the sum of its proper divisors (6085079040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3680889648 is a wasteful number, since it uses less digits than its factorization.

3680889648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072621 (or 2072615 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 60.

The square root of 3680889648 is about 60670.3358157840. The cubic root of 3680889648 is about 1544.0129286505.

The spelling of 3680889648 in words is "three billion, six hundred eighty million, eight hundred eighty-nine thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 2072573 4145146 6217719 8290292 12435438 16580584 24870876 33161168 49741752 76685201 99483504 153370402 230055603 306740804 460111206 613481608 920222412 1226963216 1840444824 3680889648