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34249989 = 319600877
BaseRepresentation
bin1000001010100…
…1110100000101
32101110002011010
42002221310011
532231444424
63222032433
7564056124
oct202516405
971402133
1034249989
1118373584
12b578719
137132587
144797abb
153018229
hex20a9d05

34249989 has 8 divisors (see below), whose sum is σ = 48070240. Its totient is φ = 21631536.

The previous prime is 34249949. The next prime is 34249993. The reversal of 34249989 is 98994243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34249989 - 27 = 34249861 is a prime.

It is a super-4 number, since 4×342499894 (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 (34249909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300382 + ... + 300495.

It is an arithmetic number, because the mean of its divisors is an integer number (6008780).

Almost surely, 234249989 is an apocalyptic number.

It is an amenable number.

34249989 is a deficient number, since it is larger than the sum of its proper divisors (13820251).

34249989 is a wasteful number, since it uses less digits than its factorization.

34249989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600899.

The product of its digits is 559872, while the sum is 48.

The square root of 34249989 is about 5852.3490155663. The cubic root of 34249989 is about 324.7532296388.

The spelling of 34249989 in words is "thirty-four million, two hundred forty-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 19 57 600877 1802631 11416663 34249989