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3139829 = 7113337
BaseRepresentation
bin1011111110100011110101
312220112000222
423332203311
51300433304
6151144125
735455010
oct13764365
95815028
103139829
111855000
121075045
1385c1b4
145ba377
154204be
hex2fe8f5

3139829 has 16 divisors (see below), whose sum is σ = 3958656. Its totient is φ = 2439360.

The previous prime is 3139813. The next prime is 3139837. The reversal of 3139829 is 9289313.

It is not a de Polignac number, because 3139829 - 24 = 3139813 is a prime.

It is a super-2 number, since 2×31398292 = 19717052298482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139889) 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, 9149 + ... + 9485.

It is an arithmetic number, because the mean of its divisors is an integer number (247416).

Almost surely, 23139829 is an apocalyptic number.

It is an amenable number.

3139829 is a deficient number, since it is larger than the sum of its proper divisors (818827).

3139829 is an equidigital number, since it uses as much as digits as its factorization.

3139829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 355 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 3139829 is about 1771.9562635686. The cubic root of 3139829 is about 146.4317767973.

The spelling of 3139829 in words is "three million, one hundred thirty-nine thousand, eight hundred twenty-nine".

Divisors: 1 7 11 77 121 337 847 1331 2359 3707 9317 25949 40777 285439 448547 3139829