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3905742764 = 2272111811569
BaseRepresentation
bin1110100011001100…
…1110011110101100
3101002012100021211102
43220303032132230
530444332232024
61443321342232
7165534160100
oct35063163654
911065307742
103905742764
111724765390
12910037978
134a323bac1
14290a19900
1517cd571ae
hexe8cce7ac

3905742764 has 36 divisors (see below), whose sum is σ = 8673797160. Its totient is φ = 1521717120.

The previous prime is 3905742739. The next prime is 3905742767. The reversal of 3905742764 is 4672475093.

It is not an unprimeable number, because it can be changed into a prime (3905742767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903629 + ... + 907940.

It is an arithmetic number, because the mean of its divisors is an integer number (240938810).

Almost surely, 23905742764 is an apocalyptic number.

It is an amenable number.

3905742764 is an abundant number, since it is smaller than the sum of its proper divisors (4768054396).

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

3905742764 is a wasteful number, since it uses less digits than its factorization.

3905742764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811598 (or 1811589 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 3905742764 is about 62495.9419802598. The cubic root of 3905742764 is about 1574.8331411710.

The spelling of 3905742764 in words is "three billion, nine hundred five million, seven hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 1811569 3623138 7246276 12680983 19927259 25361966 39854518 50723932 79709036 88766881 139490813 177533762 278981626 355067524 557963252 976435691 1952871382 3905742764