Search a number
-
+
32140830 = 2351099829
BaseRepresentation
bin111101010011…
…0111000011110
32020110220221010
41322212320132
531212001310
63104520050
7540123021
oct172467036
966426833
1032140830
1117162977
12a920026
136874557
1443a91b8
152c4d320
hex1ea6e1e

32140830 has 32 divisors (see below), whose sum is σ = 77853600. Its totient is φ = 8491392.

The previous prime is 32140811. The next prime is 32140847. The reversal of 32140830 is 3804123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32140797 and 32140806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645 + ... + 8184.

It is an arithmetic number, because the mean of its divisors is an integer number (2432925).

Almost surely, 232140830 is an apocalyptic number.

32140830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32140830 is an abundant number, since it is smaller than the sum of its proper divisors (45712770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32140830 is a wasteful number, since it uses less digits than its factorization.

32140830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9948.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 32140830 is about 5669.2883151239. The cubic root of 32140830 is about 317.9452656874.

Adding to 32140830 its reverse (3804123), we get a palindrome (35944953).

The spelling of 32140830 in words is "thirty-two million, one hundred forty thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 109 218 327 545 654 1090 1635 3270 9829 19658 29487 49145 58974 98290 147435 294870 1071361 2142722 3214083 5356805 6428166 10713610 16070415 32140830