Search a number
-
+
36431020 = 2251821551
BaseRepresentation
bin1000101011111…
…0010010101100
32112112212222001
42022332102230
533311243040
63340502044
7621441613
oct212762254
975485861
1036431020
111962318a
121024a924
137717222
144ba487a
1532e959a
hex22be4ac

36431020 has 12 divisors (see below), whose sum is σ = 76505184. Its totient is φ = 14572400.

The previous prime is 36430973. The next prime is 36431027. The reversal of 36431020 is 2013463.

36431020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36431027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910756 + ... + 910795.

It is an arithmetic number, because the mean of its divisors is an integer number (6375432).

Almost surely, 236431020 is an apocalyptic number.

It is an amenable number.

36431020 is an abundant number, since it is smaller than the sum of its proper divisors (40074164).

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

36431020 is a wasteful number, since it uses less digits than its factorization.

36431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821560 (or 1821558 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 36431020 is about 6035.8114616015. The cubic root of 36431020 is about 331.5052751592.

Adding to 36431020 its reverse (2013463), we get a palindrome (38444483).

It can be divided in two parts, 36 and 431020, that added together give a triangular number (431056 = T928).

The spelling of 36431020 in words is "thirty-six million, four hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 1821551 3643102 7286204 9107755 18215510 36431020