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5458021 = 6781463
BaseRepresentation
bin10100110100100001100101
3101021021222221
4110310201211
52344124041
6312552341
764251412
oct24644145
911237887
105458021
113098768
1219b26b1
1311913ca
14a21109
1572c2d1
hex534865

5458021 has 4 divisors (see below), whose sum is σ = 5539552. Its totient is φ = 5376492.

The previous prime is 5458009. The next prime is 5458027. The reversal of 5458021 is 1208545.

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 5458021 - 221 = 3360869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5458027) 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, 40665 + ... + 40798.

It is an arithmetic number, because the mean of its divisors is an integer number (1384888).

Almost surely, 25458021 is an apocalyptic number.

It is an amenable number.

5458021 is a deficient number, since it is larger than the sum of its proper divisors (81531).

5458021 is an equidigital number, since it uses as much as digits as its factorization.

5458021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81530.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5458021 is about 2336.2407838234. The cubic root of 5458021 is about 176.0671769216.

The spelling of 5458021 in words is "five million, four hundred fifty-eight thousand, twenty-one".

Divisors: 1 67 81463 5458021