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3996580 = 225728547
BaseRepresentation
bin1111001111101110100100
321112001021111
433033232210
52010342310
6221354404
745653560
oct17175644
97461244
103996580
11228a765
121408a04
13a9c153
147606a0
1553e28a
hex3cfba4

3996580 has 24 divisors (see below), whose sum is σ = 9592128. Its totient is φ = 1370208.

The previous prime is 3996569. The next prime is 3996583. The reversal of 3996580 is 856993.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3996583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14134 + ... + 14413.

It is an arithmetic number, because the mean of its divisors is an integer number (399672).

Almost surely, 23996580 is an apocalyptic number.

It is an amenable number.

3996580 is an abundant number, since it is smaller than the sum of its proper divisors (5595548).

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

3996580 is a wasteful number, since it uses less digits than its factorization.

3996580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28563 (or 28561 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3996580 is about 1999.1448171656. The cubic root of 3996580 is about 158.6948513670.

The spelling of 3996580 in words is "three million, nine hundred ninety-six thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 28547 57094 114188 142735 199829 285470 399658 570940 799316 999145 1998290 3996580