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8939029 = 11812639
BaseRepresentation
bin100010000110…
…011000010101
3121211011001011
4202012120111
54242022104
6515332221
7135660211
oct42063025
917734034
108939029
115056030
122bb1071
131b0c988
141289941
15bb8904
hex886615

8939029 has 4 divisors (see below), whose sum is σ = 9751680. Its totient is φ = 8126380.

The previous prime is 8939027. The next prime is 8939039. The reversal of 8939029 is 9209398.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8939029 - 21 = 8939027 is a prime.

It is a Duffinian number.

8939029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8938982 and 8939000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939023) 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, 406309 + ... + 406330.

It is an arithmetic number, because the mean of its divisors is an integer number (2437920).

Almost surely, 28939029 is an apocalyptic number.

It is an amenable number.

8939029 is a deficient number, since it is larger than the sum of its proper divisors (812651).

8939029 is a wasteful number, since it uses less digits than its factorization.

8939029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812650.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 8939029 is about 2989.8208976459. The cubic root of 8939029 is about 207.5375961296.

The spelling of 8939029 in words is "eight million, nine hundred thirty-nine thousand, twenty-nine".

Divisors: 1 11 812639 8939029