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10030013 = 71432859
BaseRepresentation
bin100110010000…
…101110111101
3200212120120222
4212100232331
510031430023
6554551125
7151153010
oct46205675
920776528
1010030013
115730774
1234384a5
132102426
141491377
15d31cc8
hex990bbd

10030013 has 4 divisors (see below), whose sum is σ = 11462880. Its totient is φ = 8597148.

The previous prime is 10030003. The next prime is 10030039. The reversal of 10030013 is 31003001.

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 not a de Polignac number, because 10030013 - 220 = 8981437 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 (10030003) 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, 716423 + ... + 716436.

It is an arithmetic number, because the mean of its divisors is an integer number (2865720).

Almost surely, 210030013 is an apocalyptic number.

It is an amenable number.

10030013 is a deficient number, since it is larger than the sum of its proper divisors (1432867).

10030013 is an equidigital number, since it uses as much as digits as its factorization.

10030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432866.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 10030013 is about 3167.0195768261. The cubic root of 10030013 is about 215.6587905596.

Adding to 10030013 its reverse (31003001), we get a palindrome (41033014).

It can be divided in two parts, 1003001 and 3, that multiplied together give a palindrome (3009003).

The spelling of 10030013 in words is "ten million, thirty thousand, thirteen".

Divisors: 1 7 1432859 10030013