Search a number
-
+
10972839 = 33657613
BaseRepresentation
bin101001110110…
…111010100111
3202122110220110
4221312322213
510302112324
61031104103
7162160533
oct51667247
922573813
1010972839
116215069
123812033
132372607
141658bc3
15e6b329
hexa76ea7

10972839 has 4 divisors (see below), whose sum is σ = 14630456. Its totient is φ = 7315224.

The previous prime is 10972813. The next prime is 10972847. The reversal of 10972839 is 93827901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93827901 = 331275967.

It is not a de Polignac number, because 10972839 - 27 = 10972711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10972797 and 10972806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10971839) 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, 1828804 + ... + 1828809.

It is an arithmetic number, because the mean of its divisors is an integer number (3657614).

Almost surely, 210972839 is an apocalyptic number.

10972839 is a deficient number, since it is larger than the sum of its proper divisors (3657617).

10972839 is an equidigital number, since it uses as much as digits as its factorization.

10972839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657616.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 10972839 is about 3312.5275847908. The cubic root of 10972839 is about 222.2148111510.

It can be divided in two parts, 10972 and 839, that added together give a palindrome (11811).

The spelling of 10972839 in words is "ten million, nine hundred seventy-two thousand, eight hundred thirty-nine".

Divisors: 1 3 3657613 10972839