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10032131 = 79126989
BaseRepresentation
bin100110010001…
…010000000011
3200212200111102
4212101100003
510032012011
6555005015
7151162124
oct46212003
920780442
1010032131
11573231a
12343976b
132103395
14149204b
15d3273b
hex991403

10032131 has 4 divisors (see below), whose sum is σ = 10159200. Its totient is φ = 9905064.

The previous prime is 10032119. The next prime is 10032151. The reversal of 10032131 is 13123001.

10032131 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 an emirpimes, since its reverse is a distinct semiprime: 13123001 = 71184831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10032131 is a prime.

It is a super-2 number, since 2×100321312 = 201287304802322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10032151) 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, 63416 + ... + 63573.

It is an arithmetic number, because the mean of its divisors is an integer number (2539800).

Almost surely, 210032131 is an apocalyptic number.

10032131 is a deficient number, since it is larger than the sum of its proper divisors (127069).

10032131 is an equidigital number, since it uses as much as digits as its factorization.

10032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127068.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10032131 is about 3167.3539429625. The cubic root of 10032131 is about 215.6739694423.

Adding to 10032131 its reverse (13123001), we get a palindrome (23155132).

The spelling of 10032131 in words is "ten million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 79 126989 10032131