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34158457 = 172009321
BaseRepresentation
bin1000001001001…
…1011101111001
32101021102121001
42002103131321
532221032312
63220045001
7563225224
oct202233571
971242531
1034158457
1118310833
12b533761
1370cca08
1447725bb
152eeb057
hex2093779

34158457 has 4 divisors (see below), whose sum is σ = 36167796. Its totient is φ = 32149120.

The previous prime is 34158451. The next prime is 34158461. The reversal of 34158457 is 75485143.

34158457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10916416 + 23242041 = 3304^2 + 4821^2 .

It is a cyclic number.

It is not a de Polignac number, because 34158457 - 27 = 34158329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34158451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004644 + ... + 1004677.

It is an arithmetic number, because the mean of its divisors is an integer number (9041949).

Almost surely, 234158457 is an apocalyptic number.

It is an amenable number.

34158457 is a deficient number, since it is larger than the sum of its proper divisors (2009339).

34158457 is a wasteful number, since it uses less digits than its factorization.

34158457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009338.

The product of its digits is 67200, while the sum is 37.

The square root of 34158457 is about 5844.5236760578. The cubic root of 34158457 is about 324.4636740034.

The spelling of 34158457 in words is "thirty-four million, one hundred fifty-eight thousand, four hundred fifty-seven".

Divisors: 1 17 2009321 34158457