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3980392 = 231338273
BaseRepresentation
bin1111001011110001101000
321111020001221
433023301220
52004333032
6221151424
745555433
oct17136150
97436057
103980392
112279589
1213bb574
13a94980
1475881a
15539597
hex3cbc68

3980392 has 16 divisors (see below), whose sum is σ = 8037540. Its totient is φ = 1837056.

The previous prime is 3980387. The next prime is 3980399. The reversal of 3980392 is 2930893.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 4356 = 1994^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (3980399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19033 + ... + 19240.

Almost surely, 23980392 is an apocalyptic number.

It is an amenable number.

3980392 is an abundant number, since it is smaller than the sum of its proper divisors (4057148).

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

3980392 is a wasteful number, since it uses less digits than its factorization.

3980392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38292 (or 38288 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3980392 is about 1995.0919778296. The cubic root of 3980392 is about 158.4802988778.

The spelling of 3980392 in words is "three million, nine hundred eighty thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 38273 76546 153092 306184 497549 995098 1990196 3980392