Search a number
-
+
10070023 = 64315661
BaseRepresentation
bin100110011010…
…100000000111
3200221121110211
4212122200013
510034220043
6555500251
7151410445
oct46324007
920847424
1010070023
115758837
123457687
1321176c2
1414a1b95
15d3da9d
hex99a807

10070023 has 4 divisors (see below), whose sum is σ = 10086328. Its totient is φ = 10053720.

The previous prime is 10069999. The next prime is 10070029. The reversal of 10070023 is 32007001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10070023 - 25 = 10069991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10069985 and 10070012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10070029) 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, 7188 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (2521582).

Almost surely, 210070023 is an apocalyptic number.

10070023 is a deficient number, since it is larger than the sum of its proper divisors (16305).

10070023 is an equidigital number, since it uses as much as digits as its factorization.

10070023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 10070023 is about 3173.3299544800. The cubic root of 10070023 is about 215.9451664081.

Adding to 10070023 its reverse (32007001), we get a palindrome (42077024).

The spelling of 10070023 in words is "ten million, seventy thousand, twenty-three".

Divisors: 1 643 15661 10070023