Search a number
-
+
36423831 = 312141277
BaseRepresentation
bin1000101011110…
…0100010010111
32112112112002210
42022330202113
533311030311
63340404503
7621411633
oct212744227
975475083
1036423831
1119618844
1210246733
137713b82
144ba1dc3
1532e73a6
hex22bc897

36423831 has 4 divisors (see below), whose sum is σ = 48565112. Its totient is φ = 24282552.

The previous prime is 36423811. The next prime is 36423833. The reversal of 36423831 is 13832463.

36423831 is digitally balanced in base 2, 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: 13832463 = 34610821.

It is not a de Polignac number, because 36423831 - 29 = 36423319 is a prime.

It is a super-2 number, since 2×364238312 = 2653390929433122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36423833) 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, 6070636 + ... + 6070641.

It is an arithmetic number, because the mean of its divisors is an integer number (12141278).

Almost surely, 236423831 is an apocalyptic number.

36423831 is a deficient number, since it is larger than the sum of its proper divisors (12141281).

36423831 is a wasteful number, since it uses less digits than its factorization.

36423831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141280.

The product of its digits is 10368, while the sum is 30.

The square root of 36423831 is about 6035.2159033460. The cubic root of 36423831 is about 331.4834682100.

The spelling of 36423831 in words is "thirty-six million, four hundred twenty-three thousand, eight hundred thirty-one".

Divisors: 1 3 12141277 36423831