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10023505 = 52004701
BaseRepresentation
bin100110001111…
…001001010001
3200212020122221
4212033021101
510031223010
6554501041
7151125022
oct46171121
920766587
1010023505
115726898
123434781
1320cc48b
14148cc49
15d2edda
hex98f251

10023505 has 4 divisors (see below), whose sum is σ = 12028212. Its totient is φ = 8018800.

The previous prime is 10023499. The next prime is 10023511. The reversal of 10023505 is 50532001.

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

It is an interprime number because it is at equal distance from previous prime (10023499) and next prime (10023511).

It can be written as a sum of positive squares in 2 ways, for example, as 5143824 + 4879681 = 2268^2 + 2209^2 .

It is not a de Polignac number, because 10023505 - 29 = 10022993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002346 + ... + 1002355.

It is an arithmetic number, because the mean of its divisors is an integer number (3007053).

Almost surely, 210023505 is an apocalyptic number.

It is an amenable number.

10023505 is a deficient number, since it is larger than the sum of its proper divisors (2004707).

10023505 is an equidigital number, since it uses as much as digits as its factorization.

10023505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004706.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 10023505 is about 3165.9919456625. The cubic root of 10023505 is about 215.6121368788.

Adding to 10023505 its reverse (50532001), we get a palindrome (60555506).

The spelling of 10023505 in words is "ten million, twenty-three thousand, five hundred five".

Divisors: 1 5 2004701 10023505