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34642079 = 149323203
BaseRepresentation
bin1000010000100…
…1100010011111
32102011222222222
42010021202133
532332021304
63234255555
7600311213
oct204114237
972158888
1034642079
111861111a
12b7275bb
13723bb94
14485a943
1530944be
hex210989f

34642079 has 4 divisors (see below), whose sum is σ = 34666776. Its totient is φ = 34617384.

The previous prime is 34642061. The next prime is 34642087. The reversal of 34642079 is 97024643.

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

It is a cyclic number.

It is not a de Polignac number, because 34642079 - 212 = 34637983 is a prime.

It is a super-4 number, since 4×346420794 (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34642579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10109 + ... + 13094.

It is an arithmetic number, because the mean of its divisors is an integer number (8666694).

Almost surely, 234642079 is an apocalyptic number.

34642079 is a deficient number, since it is larger than the sum of its proper divisors (24697).

34642079 is a wasteful number, since it uses less digits than its factorization.

34642079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 34642079 is about 5885.7522034146. The cubic root of 34642079 is about 325.9877766504.

The spelling of 34642079 in words is "thirty-four million, six hundred forty-two thousand, seventy-nine".

Divisors: 1 1493 23203 34642079