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3111325 = 52723773
BaseRepresentation
bin1011110111100110011101
312212001221021
423313212131
51244030300
6150404141
735305630
oct13674635
95761837
103111325
111835648
121060651
1384c229
145adc17
15416d1a
hex2f799d

3111325 has 24 divisors (see below), whose sum is σ = 4606848. Its totient is φ = 2038080.

The previous prime is 3111319. The next prime is 3111331. The reversal of 3111325 is 5231113.

It is an interprime number because it is at equal distance from previous prime (3111319) and next prime (3111331).

It is not a de Polignac number, because 3111325 - 27 = 3111197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111299 and 3111308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3639 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (191952).

Almost surely, 23111325 is an apocalyptic number.

3111325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3111325 is a deficient number, since it is larger than the sum of its proper divisors (1495523).

3111325 is a wasteful number, since it uses less digits than its factorization.

3111325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 808 counting only the distinct ones).

The product of its digits is 90, while the sum is 16.

The square root of 3111325 is about 1763.8948381352. The cubic root of 3111325 is about 145.9873167189.

Adding to 3111325 its reverse (5231113), we get a palindrome (8342438).

The spelling of 3111325 in words is "three million, one hundred eleven thousand, three hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 773 805 3865 4025 5411 17779 19325 27055 88895 124453 135275 444475 622265 3111325