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3678081 = 311227491
BaseRepresentation
bin1110000001111110000001
320220212101020
432001332001
51420144311
6210500053
743156161
oct16017601
96825336
103678081
112092440
121294629
139ba1a4
146ba5a1
154c9c06
hex381f81

3678081 has 16 divisors (see below), whose sum is σ = 5384448. Its totient is φ = 2214800.

The previous prime is 3678071. The next prime is 3678083. The reversal of 3678081 is 1808763.

It is a cyclic number.

It is not a de Polignac number, because 3678081 - 211 = 3676033 is a prime.

It is a super-2 number, since 2×36780812 = 27056559685122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3678083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7246 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (336528).

Almost surely, 23678081 is an apocalyptic number.

It is an amenable number.

3678081 is a deficient number, since it is larger than the sum of its proper divisors (1706367).

3678081 is a wasteful number, since it uses less digits than its factorization.

3678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 3678081 is about 1917.8323701513. The cubic root of 3678081 is about 154.3620116704.

It can be divided in two parts, 367 and 8081, that added together give a palindrome (8448).

The spelling of 3678081 in words is "three million, six hundred seventy-eight thousand, eighty-one".

Divisors: 1 3 11 33 227 491 681 1473 2497 5401 7491 16203 111457 334371 1226027 3678081