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3881026 = 210119213
BaseRepresentation
bin1110110011100001000010
321022011202201
432303201002
51443143101
6215103414
744662642
oct16634102
97264681
103881026
112210966
121371b6a
13a5b686
14730522
15519e01
hex3b3842

3881026 has 8 divisors (see below), whose sum is σ = 5879484. Its totient is φ = 1921200.

The previous prime is 3881021. The next prime is 3881027. The reversal of 3881026 is 6201883.

It can be written as a sum of positive squares in 2 ways, for example, as 2673225 + 1207801 = 1635^2 + 1099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3880985 and 3881003.

It is not an unprimeable number, because it can be changed into a prime (3881021) 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, 9405 + ... + 9808.

Almost surely, 23881026 is an apocalyptic number.

3881026 is a deficient number, since it is larger than the sum of its proper divisors (1998458).

3881026 is a wasteful number, since it uses less digits than its factorization.

3881026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19316.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3881026 is about 1970.0319794359. The cubic root of 3881026 is about 157.1504096331.

The spelling of 3881026 in words is "three million, eight hundred eighty-one thousand, twenty-six".

Divisors: 1 2 101 202 19213 38426 1940513 3881026