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3955580 = 225197779
BaseRepresentation
bin1111000101101101111100
321102222000222
433011231330
52003034310
6220440512
745423206
oct17055574
97388028
103955580
112261982
1213a9138
13a865a5
1474d776
15532055
hex3c5b7c

3955580 has 12 divisors (see below), whose sum is σ = 8306760. Its totient is φ = 1582224.

The previous prime is 3955579. The next prime is 3955597. The reversal of 3955580 is 855593.

It is a super-3 number, since 3×39555803 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3955580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98870 + ... + 98909.

It is an arithmetic number, because the mean of its divisors is an integer number (692230).

Almost surely, 23955580 is an apocalyptic number.

It is an amenable number.

3955580 is an abundant number, since it is smaller than the sum of its proper divisors (4351180).

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

3955580 is a wasteful number, since it uses less digits than its factorization.

3955580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197788 (or 197786 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 3955580 is about 1988.8639973613. The cubic root of 3955580 is about 158.1503136111.

The spelling of 3955580 in words is "three million, nine hundred fifty-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 197779 395558 791116 988895 1977790 3955580