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3965828080 = 245431152857
BaseRepresentation
bin1110110001100001…
…1011101111110000
3101020101101221101111
43230120123233300
531110222444310
61453305243104
7200163660664
oct35430335760
911211357344
103965828080
111755674375
12928193494
134b2818846
142989ba8a4
1518327528a
hexec61bbf0

3965828080 has 40 divisors (see below), whose sum is σ = 9434989872. Its totient is φ = 1549438464.

The previous prime is 3965828077. The next prime is 3965828093. The reversal of 3965828080 is 808285693.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 572989 + ... + 579868.

Almost surely, 23965828080 is an apocalyptic number.

It is an amenable number.

3965828080 is an abundant number, since it is smaller than the sum of its proper divisors (5469161792).

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

3965828080 is a wasteful number, since it uses less digits than its factorization.

3965828080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152913 (or 1152907 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 3965828080 is about 62974.8210001426. The cubic root of 3965828080 is about 1582.8677395432.

The spelling of 3965828080 in words is "three billion, nine hundred sixty-five million, eight hundred twenty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 1152857 2305714 4611428 5764285 9222856 11528570 18445712 23057140 46114280 49572851 92228560 99145702 198291404 247864255 396582808 495728510 793165616 991457020 1982914040 3965828080