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8042029 = 47397431
BaseRepresentation
bin11110101011011000101101
3120010120120221
4132223120231
54024321104
6444211341
7125233102
oct36533055
916116527
108042029
1145a3106
122839b51
1318875c8
1410d4aa9
15a8cc54
hex7ab62d

8042029 has 8 divisors (see below), whose sum is σ = 8252928. Its totient is φ = 7832880.

The previous prime is 8042017. The next prime is 8042033. The reversal of 8042029 is 9202408.

8042029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8042029 - 211 = 8039981 is a prime.

It is a Duffinian number.

8042029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8041994 and 8042012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042009) 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, 18444 + ... + 18874.

It is an arithmetic number, because the mean of its divisors is an integer number (1031616).

Almost surely, 28042029 is an apocalyptic number.

It is an amenable number.

8042029 is a deficient number, since it is larger than the sum of its proper divisors (210899).

8042029 is a wasteful number, since it uses less digits than its factorization.

8042029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8042029 is about 2835.8471397450. The cubic root of 8042029 is about 200.3496301045.

The spelling of 8042029 in words is "eight million, forty-two thousand, twenty-nine".

Divisors: 1 47 397 431 18659 20257 171107 8042029