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3913900 = 225239139
BaseRepresentation
bin1110111011100010101100
321100211212021
432323202230
52000221100
6215515524
745160534
oct16734254
97324767
103913900
112233631
121388ba4
13a70623
1473c4c4
15524a1a
hex3bb8ac

3913900 has 18 divisors (see below), whose sum is σ = 8493380. Its totient is φ = 1565520.

The previous prime is 3913837. The next prime is 3913907. The reversal of 3913900 is 93193.

It is a super-2 number, since 2×39139002 = 30637226420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3913907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19470 + ... + 19669.

Almost surely, 23913900 is an apocalyptic number.

It is an amenable number.

3913900 is an abundant number, since it is smaller than the sum of its proper divisors (4579480).

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

3913900 is a wasteful number, since it uses less digits than its factorization.

3913900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39153 (or 39146 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 3913900 is about 1978.3579049302. The cubic root of 3913900 is about 157.5928737534.

The spelling of 3913900 in words is "three million, nine hundred thirteen thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 39139 78278 156556 195695 391390 782780 978475 1956950 3913900