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3283861 = 73137409
BaseRepresentation
bin1100100001101110010101
320011211121111
430201232111
51320040421
6154215021
736624640
oct14415625
96154544
103283861
111943239
121124471
138ac919
14616a57
1544cee1
hex321b95

3283861 has 16 divisors (see below), whose sum is σ = 3988480. Its totient is φ = 2643840.

The previous prime is 3283853. The next prime is 3283879. The reversal of 3283861 is 1683823.

3283861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3283861 - 23 = 3283853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3283831) 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 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (249280).

Almost surely, 23283861 is an apocalyptic number.

3283861 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3283861 is a deficient number, since it is larger than the sum of its proper divisors (704619).

3283861 is a wasteful number, since it uses less digits than its factorization.

3283861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its digits is 6912, while the sum is 31.

The square root of 3283861 is about 1812.1426544287. The cubic root of 3283861 is about 148.6374531760.

The spelling of 3283861 in words is "three million, two hundred eighty-three thousand, eight hundred sixty-one".

Divisors: 1 7 31 37 217 259 409 1147 2863 8029 12679 15133 88753 105931 469123 3283861