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3340881 = 322291621
BaseRepresentation
bin1100101111101001010001
320021201211100
430233221101
51323402011
6155335013
740253115
oct14575121
96251740
103340881
111982065
121151469
138cc86b
1462d745
1545ed56
hex32fa51

3340881 has 12 divisors (see below), whose sum is σ = 4849780. Its totient is φ = 2216160.

The previous prime is 3340879. The next prime is 3340907. The reversal of 3340881 is 1880433.

It can be written as a sum of positive squares in 2 ways, for example, as 2873025 + 467856 = 1695^2 + 684^2 .

It is not a de Polignac number, because 3340881 - 21 = 3340879 is a prime.

It is a super-2 number, since 2×33408812 = 22322971712322, which contains 22 as substring.

It is a Duffinian number.

3340881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3340811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1251 + ... + 2871.

Almost surely, 23340881 is an apocalyptic number.

It is an amenable number.

3340881 is a deficient number, since it is larger than the sum of its proper divisors (1508899).

3340881 is a wasteful number, since it uses less digits than its factorization.

3340881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3340881 is about 1827.8077032336. The cubic root of 3340881 is about 149.4928203917.

It can be divided in two parts, 33408 and 81, that added together give a square (33489 = 1832).

The spelling of 3340881 in words is "three million, three hundred forty thousand, eight hundred eighty-one".

Divisors: 1 3 9 229 687 1621 2061 4863 14589 371209 1113627 3340881