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3139308 = 2232293197
BaseRepresentation
bin1011111110011011101100
312220111022200
423332123230
51300424213
6151141500
735453334
oct13763354
95814280
103139308
111854677
121074890
1385bba3
145ba0c4
15420273
hex2fe6ec

3139308 has 72 divisors (see below), whose sum is σ = 8561280. Its totient is φ = 967680.

The previous prime is 3139307. The next prime is 3139321. The reversal of 3139308 is 8039313.

3139308 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3139303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32316 + ... + 32412.

Almost surely, 23139308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4280640).

3139308 is an abundant number, since it is smaller than the sum of its proper divisors (5421972).

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

3139308 is a wasteful number, since it uses less digits than its factorization.

3139308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3139308 is about 1771.8092448116. The cubic root of 3139308 is about 146.4236770807.

The spelling of 3139308 in words is "three million, one hundred thirty-nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 29 31 36 58 62 87 93 97 116 124 174 186 194 261 279 291 348 372 388 522 558 582 873 899 1044 1116 1164 1746 1798 2697 2813 3007 3492 3596 5394 5626 6014 8091 8439 9021 10788 11252 12028 16182 16878 18042 25317 27063 32364 33756 36084 50634 54126 87203 101268 108252 174406 261609 348812 523218 784827 1046436 1569654 3139308