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3255381 = 321721277
BaseRepresentation
bin1100011010110001010101
320010101112200
430122301111
51313133011
6153435113
736445623
oct14326125
96111480
103255381
1119238a8
12110ba99
1389c97c
1460a513
15444856
hex31ac55

3255381 has 12 divisors (see below), whose sum is σ = 4979052. Its totient is φ = 2042496.

The previous prime is 3255379. The next prime is 3255389. The reversal of 3255381 is 1835523.

3255381 is a `hidden beast` number, since 32 + 553 + 81 = 666.

3255381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 2056356 = 1095^2 + 1434^2 .

It is not a de Polignac number, because 3255381 - 21 = 3255379 is a prime.

It is a super-2 number, since 2×32553812 = 21195010910322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10486 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (414921).

Almost surely, 23255381 is an apocalyptic number.

It is an amenable number.

3255381 is a deficient number, since it is larger than the sum of its proper divisors (1723671).

3255381 is a wasteful number, since it uses less digits than its factorization.

3255381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21300 (or 21297 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3255381 is about 1804.2674413734. The cubic root of 3255381 is about 148.2065080436.

The spelling of 3255381 in words is "three million, two hundred fifty-five thousand, three hundred eighty-one".

Divisors: 1 3 9 17 51 153 21277 63831 191493 361709 1085127 3255381