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34087997 = 157217121
BaseRepresentation
bin1000001000001…
…0010000111101
32101010211221102
42002002100331
532211303442
63214342445
7562512626
oct202022075
971124842
1034087997
11182728a9
12b4baa25
1370a6918
144754a4d
152ed5232
hex208243d

34087997 has 4 divisors (see below), whose sum is σ = 34305276. Its totient is φ = 33870720.

The previous prime is 34087993. The next prime is 34088029. The reversal of 34087997 is 79978043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8797156 + 25290841 = 2966^2 + 5029^2 .

It is a cyclic number.

It is not a de Polignac number, because 34087997 - 22 = 34087993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34087993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108404 + ... + 108717.

It is an arithmetic number, because the mean of its divisors is an integer number (8576319).

Almost surely, 234087997 is an apocalyptic number.

It is an amenable number.

34087997 is a deficient number, since it is larger than the sum of its proper divisors (217279).

34087997 is a wasteful number, since it uses less digits than its factorization.

34087997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217278.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 34087997 is about 5838.4926993189. The cubic root of 34087997 is about 324.2404257484.

It can be divided in two parts, 340 and 87997, that multiplied together give a triangular number (29918980 = T7735).

The spelling of 34087997 in words is "thirty-four million, eighty-seven thousand, nine hundred ninety-seven".

Divisors: 1 157 217121 34087997