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34172439 = 375330703
BaseRepresentation
bin1000001001011…
…0111000010111
32101022010202220
42002112320113
532222004224
63220233423
7563314050
oct202267027
971263686
1034172439
1118320294
12b53b873
1371061a2
144777727
153000279
hex2096e17

34172439 has 16 divisors (see below), whose sum is σ = 53056512. Its totient is φ = 19158048.

The previous prime is 34172417. The next prime is 34172449. The reversal of 34172439 is 93427143.

It is not a de Polignac number, because 34172439 - 25 = 34172407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34172449) 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, 14239 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (3316032).

Almost surely, 234172439 is an apocalyptic number.

34172439 is a deficient number, since it is larger than the sum of its proper divisors (18884073).

34172439 is a wasteful number, since it uses less digits than its factorization.

34172439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30766.

The product of its digits is 18144, while the sum is 33.

The square root of 34172439 is about 5845.7197161684. The cubic root of 34172439 is about 324.5079386125.

The spelling of 34172439 in words is "thirty-four million, one hundred seventy-two thousand, four hundred thirty-nine".

Divisors: 1 3 7 21 53 159 371 1113 30703 92109 214921 644763 1627259 4881777 11390813 34172439