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34931139 = 3194114947
BaseRepresentation
bin1000010101000…
…0000111000011
32102201200111220
42011100013003
532420244024
63244410123
7602624025
oct205200703
972650456
1034931139
1118799311
12b846943
137310619
1448d4015
1530eee79
hex21501c3

34931139 has 16 divisors (see below), whose sum is σ = 50225280. Its totient is φ = 21522240.

The previous prime is 34931123. The next prime is 34931147. The reversal of 34931139 is 93113943.

It is not a de Polignac number, because 34931139 - 24 = 34931123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34931119) 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, 5137 + ... + 9810.

It is an arithmetic number, because the mean of its divisors is an integer number (3139080).

Almost surely, 234931139 is an apocalyptic number.

34931139 is a deficient number, since it is larger than the sum of its proper divisors (15294141).

34931139 is a wasteful number, since it uses less digits than its factorization.

34931139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010.

The product of its digits is 8748, while the sum is 33.

The square root of 34931139 is about 5910.2571010067. The cubic root of 34931139 is about 326.8919674175.

The spelling of 34931139 in words is "thirty-four million, nine hundred thirty-one thousand, one hundred thirty-nine".

Divisors: 1 3 19 41 57 123 779 2337 14947 44841 283993 612827 851979 1838481 11643713 34931139