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3948680 = 23598717
BaseRepresentation
bin1111000100000010001000
321102121120102
433010002020
52002324210
6220344532
745364121
oct17040210
97377512
103948680
11225777a
1213a5148
13a833c8
1474b048
1552eea5
hex3c4088

3948680 has 16 divisors (see below), whose sum is σ = 8884620. Its totient is φ = 1579456.

The previous prime is 3948673. The next prime is 3948683. The reversal of 3948680 is 868493.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 315844 = 1906^2 + 562^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3948683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49319 + ... + 49398.

Almost surely, 23948680 is an apocalyptic number.

It is an amenable number.

3948680 is an abundant number, since it is smaller than the sum of its proper divisors (4935940).

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

3948680 is a wasteful number, since it uses less digits than its factorization.

3948680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98728 (or 98724 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3948680 is about 1987.1285816474. The cubic root of 3948680 is about 158.0583024701.

The spelling of 3948680 in words is "three million, nine hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 98717 197434 394868 493585 789736 987170 1974340 3948680