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3989292 = 223332441
BaseRepresentation
bin1111001101111100101100
321111200021120
433031330230
52010124132
6221300540
745623406
oct17157454
97450246
103989292
11228523a
121404750
13a98a38
1475bb76
1553c02c
hex3cdf2c

3989292 has 12 divisors (see below), whose sum is σ = 9308376. Its totient is φ = 1329760.

The previous prime is 3989287. The next prime is 3989311. The reversal of 3989292 is 2929893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×39892922 = 31828901322528, which contains 22 as substring.

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, 166209 + ... + 166232.

It is an arithmetic number, because the mean of its divisors is an integer number (775698).

Almost surely, 23989292 is an apocalyptic number.

It is an amenable number.

3989292 is an abundant number, since it is smaller than the sum of its proper divisors (5319084).

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

3989292 is a wasteful number, since it uses less digits than its factorization.

3989292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332448 (or 332446 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 3989292 is about 1997.3212060157. The cubic root of 3989292 is about 158.5983295231.

The spelling of 3989292 in words is "three million, nine hundred eighty-nine thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 332441 664882 997323 1329764 1994646 3989292