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4026043 = 71930271
BaseRepresentation
bin1111010110111010111011
321120112200201
433112322323
52012313133
6222143031
746135510
oct17267273
97515621
104026043
1122aa90a
121421a77
13aac698
1476b307
15547d7d
hex3d6ebb

4026043 has 8 divisors (see below), whose sum is σ = 4843520. Its totient is φ = 3269160.

The previous prime is 4026031. The next prime is 4026053. The reversal of 4026043 is 3406204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4026043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is the 2007-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4026043.

It is not an unprimeable number, because it can be changed into a prime (4026053) by changing a digit.

It is a nontrivial repunit in base 2006.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15003 + ... + 15268.

It is an arithmetic number, because the mean of its divisors is an integer number (605440).

Almost surely, 24026043 is an apocalyptic number.

4026043 is a deficient number, since it is larger than the sum of its proper divisors (817477).

4026043 is a wasteful number, since it uses less digits than its factorization.

4026043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30297.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4026043 is about 2006.5001868926. The cubic root of 4026043 is about 159.0838659393.

The spelling of 4026043 in words is "four million, twenty-six thousand, forty-three".

Divisors: 1 7 19 133 30271 211897 575149 4026043