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10020061 = 30193319
BaseRepresentation
bin100110001110…
…010011011101
3200212001221101
4212032103131
510031120221
6554433101
7151112002
oct46162335
920761841
1010020061
115724247
123432791
1320caa3c
14148b8a9
15d2dd91
hex98e4dd

10020061 has 4 divisors (see below), whose sum is σ = 10026400. Its totient is φ = 10013724.

The previous prime is 10020047. The next prime is 10020067. The reversal of 10020061 is 16002001.

10020061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10020061 - 29 = 10019549 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 (10020067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360 + ... + 4678.

It is an arithmetic number, because the mean of its divisors is an integer number (2506600).

Almost surely, 210020061 is an apocalyptic number.

It is an amenable number.

10020061 is a deficient number, since it is larger than the sum of its proper divisors (6339).

10020061 is an equidigital number, since it uses as much as digits as its factorization.

10020061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10020061 is about 3165.4479935706. The cubic root of 10020061 is about 215.5874398205.

Adding to 10020061 its reverse (16002001), we get a palindrome (26022062).

The spelling of 10020061 in words is "ten million, twenty thousand, sixty-one".

Divisors: 1 3019 3319 10020061