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3389920 = 25521187
BaseRepresentation
bin1100111011100111100000
320101020002121
430323213200
51331434140
6200354024
740546102
oct14734740
96336077
103389920
111a05996
121175914
13918c91
14643572
1546e64a
hex33b9e0

3389920 has 24 divisors (see below), whose sum is σ = 8009064. Its totient is φ = 1355904.

The previous prime is 3389891. The next prime is 3389927. The reversal of 3389920 is 299833.

It is a super-2 number, since 2×33899202 = 22983115212800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3389927) 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, 10434 + ... + 10753.

It is an arithmetic number, because the mean of its divisors is an integer number (333711).

Almost surely, 23389920 is an apocalyptic number.

It is an amenable number.

3389920 is an abundant number, since it is smaller than the sum of its proper divisors (4619144).

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

3389920 is a wasteful number, since it uses less digits than its factorization.

3389920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202 (or 21194 counting only the distinct ones).

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

The square root of 3389920 is about 1841.1735388062. The cubic root of 3389920 is about 150.2207121188.

The spelling of 3389920 in words is "three million, three hundred eighty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 21187 42374 84748 105935 169496 211870 338992 423740 677984 847480 1694960 3389920