Search a number
-
+
20040153 = 372341491
BaseRepresentation
bin100110001110…
…0100111011001
31101201010220220
41030130213121
520112241103
61553310253
7332224050
oct114344731
941633826
1020040153
1110348511
126865389
1341c87a3
142939397
151b5cc53
hex131c9d9

20040153 has 16 divisors (see below), whose sum is σ = 31865856. Its totient is φ = 10953360.

The previous prime is 20040151. The next prime is 20040173. The reversal of 20040153 is 35104002.

It is not a de Polignac number, because 20040153 - 21 = 20040151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20040151) 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 15 ways as a sum of consecutive naturals, for example, 20263 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (1991616).

Almost surely, 220040153 is an apocalyptic number.

20040153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20040153 is a deficient number, since it is larger than the sum of its proper divisors (11825703).

20040153 is a wasteful number, since it uses less digits than its factorization.

20040153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41524.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20040153 is about 4476.6229459270. The cubic root of 20040153 is about 271.6232935804.

Adding to 20040153 its reverse (35104002), we get a palindrome (55144155).

The spelling of 20040153 in words is "twenty million, forty thousand, one hundred fifty-three".

Divisors: 1 3 7 21 23 69 161 483 41491 124473 290437 871311 954293 2862879 6680051 20040153