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8493039 = 333173139
BaseRepresentation
bin100000011001…
…011111101111
3120222111021000
4200121133233
54133234124
6502011343
7132122022
oct40313757
916874230
108493039
114880a45
122a16b53
1319b4989
1411b11b9
15b2b6c9
hex8197ef

8493039 has 32 divisors (see below), whose sum is σ = 13260800. Its totient is φ = 5365440.

The previous prime is 8493031. The next prime is 8493073. The reversal of 8493039 is 9303948.

8493039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8493039 - 23 = 8493031 is a prime.

It is a super-2 number, since 2×84930392 = 144263422911042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 8493039 = 153 + 2043 = 793 + 2003.

It is a junction number, because it is equal to n+sod(n) for n = 8492994 and 8493012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61032 + ... + 61170.

It is an arithmetic number, because the mean of its divisors is an integer number (414400).

Almost surely, 28493039 is an apocalyptic number.

8493039 is a deficient number, since it is larger than the sum of its proper divisors (4767761).

8493039 is a wasteful number, since it uses less digits than its factorization.

8493039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8493039 is about 2914.2819012580. The cubic root of 8493039 is about 204.0270292905.

It can be divided in two parts, 8 and 493039, that multiplied together give a cube (3944312 = 1583).

The spelling of 8493039 in words is "eight million, four hundred ninety-three thousand, thirty-nine".

Divisors: 1 3 9 27 31 73 93 139 219 279 417 657 837 1251 1971 2263 3753 4309 6789 10147 12927 20367 30441 38781 61101 91323 116343 273969 314557 943671 2831013 8493039