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3228231 = 31076077
BaseRepresentation
bin1100010100001001000111
320002000022010
430110021013
51311300411
6153105303
736303516
oct14241107
96060263
103228231
111905466
1210b8233
138904c6
1460067d
1543b7a6
hex314247

3228231 has 4 divisors (see below), whose sum is σ = 4304312. Its totient is φ = 2152152.

The previous prime is 3228227. The next prime is 3228241. The reversal of 3228231 is 1328223.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3228231 - 22 = 3228227 is a prime.

It is a super-2 number, since 2×32282312 = 20842950778722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3228198 and 3228207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228221) 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, 538036 + ... + 538041.

It is an arithmetic number, because the mean of its divisors is an integer number (1076078).

Almost surely, 23228231 is an apocalyptic number.

3228231 is a deficient number, since it is larger than the sum of its proper divisors (1076081).

3228231 is a wasteful number, since it uses less digits than its factorization.

3228231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076080.

The product of its digits is 576, while the sum is 21.

The square root of 3228231 is about 1796.7278591929. The cubic root of 3228231 is about 147.7933413465.

The spelling of 3228231 in words is "three million, two hundred twenty-eight thousand, two hundred thirty-one".

Divisors: 1 3 1076077 3228231