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34312135 = 51113371297
BaseRepresentation
bin1000001011100…
…0111111000111
32101120020101211
42002320333013
532240442020
63223232251
7564435244
oct202707707
971506354
1034312135
1118406240
12b5a8687
137154950
1447b25cb
15302b85a
hex20b8fc7

34312135 has 32 divisors (see below), whose sum is σ = 49718592. Its totient is φ = 22394880.

The previous prime is 34312129. The next prime is 34312139. The reversal of 34312135 is 53121343.

It is not a de Polignac number, because 34312135 - 215 = 34279367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25807 + ... + 27103.

It is an arithmetic number, because the mean of its divisors is an integer number (1553706).

Almost surely, 234312135 is an apocalyptic number.

34312135 is a deficient number, since it is larger than the sum of its proper divisors (15406457).

34312135 is a wasteful number, since it uses less digits than its factorization.

34312135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 1080, while the sum is 22.

The square root of 34312135 is about 5857.6561012064. The cubic root of 34312135 is about 324.9495306245.

Adding to 34312135 its reverse (53121343), we get a palindrome (87433478).

The spelling of 34312135 in words is "thirty-four million, three hundred twelve thousand, one hundred thirty-five".

Divisors: 1 5 11 13 37 55 65 143 185 407 481 715 1297 2035 2405 5291 6485 14267 16861 26455 47989 71335 84305 185471 239945 527879 623857 927355 2639395 3119285 6862427 34312135