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10100039 = 19531581
BaseRepresentation
bin100110100001…
…110101000111
3201000010122112
4212201311013
510041200124
61000251235
7151564115
oct46416507
921003575
1010100039
115779344
123470b1b
132128271
1414acab5
15d4790e
hex9a1d47

10100039 has 4 divisors (see below), whose sum is σ = 10631640. Its totient is φ = 9568440.

The previous prime is 10100011. The next prime is 10100047. The reversal of 10100039 is 93000101.

10100039 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10100039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10099996 and 10100032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100009) 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, 265772 + ... + 265809.

It is an arithmetic number, because the mean of its divisors is an integer number (2657910).

Almost surely, 210100039 is an apocalyptic number.

10100039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10100039 is a deficient number, since it is larger than the sum of its proper divisors (531601).

10100039 is an equidigital number, since it uses as much as digits as its factorization.

10100039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531600.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 10100039 is about 3178.0558522468. The cubic root of 10100039 is about 216.1595115189.

The spelling of 10100039 in words is "ten million, one hundred thousand, thirty-nine".

Divisors: 1 19 531581 10100039