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3381231 = 37592729
BaseRepresentation
bin1100111001011111101111
320100210011210
430321133233
51331144411
6200245503
740511550
oct14713757
96323153
103381231
1119aa407
121170893
13915039
14640327
1546bca6
hex3397ef

3381231 has 16 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 1898688.

The previous prime is 3381223. The next prime is 3381239. The reversal of 3381231 is 1321833.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3381223) and next prime (3381239).

It is not a de Polignac number, because 3381231 - 23 = 3381223 is a prime.

It is a super-2 number, since 2×33812312 = 22865446150722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3381198 and 3381207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381239) 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, 126 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 23381231 is an apocalyptic number.

3381231 is a deficient number, since it is larger than the sum of its proper divisors (1860369).

3381231 is a wasteful number, since it uses less digits than its factorization.

3381231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its digits is 432, while the sum is 21.

The square root of 3381231 is about 1838.8123884725. The cubic root of 3381231 is about 150.0922543604.

The spelling of 3381231 in words is "three million, three hundred eighty-one thousand, two hundred thirty-one".

Divisors: 1 3 7 21 59 177 413 1239 2729 8187 19103 57309 161011 483033 1127077 3381231