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3139122 = 237312411
BaseRepresentation
bin1011111110011000110010
312220111001210
423332120302
51300422442
6151140550
735452650
oct13763062
95814053
103139122
111854518
121074756
1385ba8c
145b9dd0
1542019c
hex2fe632

3139122 has 32 divisors (see below), whose sum is σ = 7409664. Its totient is φ = 867600.

The previous prime is 3139111. The next prime is 3139141. The reversal of 3139122 is 2219313.

It is a happy number.

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (231552).

Almost surely, 23139122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3704832).

3139122 is an abundant number, since it is smaller than the sum of its proper divisors (4270542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3139122 is a wasteful number, since it uses less digits than its factorization.

3139122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its digits is 324, while the sum is 21.

The square root of 3139122 is about 1771.7567553138. The cubic root of 3139122 is about 146.4207852181.

It can be divided in two parts, 31391 and 22, that added together give a palindrome (31413).

The spelling of 3139122 in words is "three million, one hundred thirty-nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 31 42 62 93 186 217 434 651 1302 2411 4822 7233 14466 16877 33754 50631 74741 101262 149482 224223 448446 523187 1046374 1569561 3139122