Search a number
-
+
153641423 = 1311818571
BaseRepresentation
bin10010010100001…
…10000111001111
3101201002210102002
421022012013033
5303313011143
623125022515
73543634115
oct1112060717
9351083362
10153641423
11797aa091
1243554a3b
1325aa54b0
1416595ab5
15d74d5b8
hex92861cf

153641423 has 4 divisors (see below), whose sum is σ = 165460008. Its totient is φ = 141822840.

The previous prime is 153641419. The next prime is 153641431. The reversal of 153641423 is 324146351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324146351 = 1213267227.

It is a cyclic number.

It is not a de Polignac number, because 153641423 - 22 = 153641419 is a prime.

It is a super-2 number, since 2×1536414232 = 47211373722929858, 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 (153641413) 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, 5909273 + ... + 5909298.

It is an arithmetic number, because the mean of its divisors is an integer number (41365002).

Almost surely, 2153641423 is an apocalyptic number.

153641423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

153641423 is a deficient number, since it is larger than the sum of its proper divisors (11818585).

153641423 is a wasteful number, since it uses less digits than its factorization.

153641423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818584.

The product of its digits is 8640, while the sum is 29.

The square root of 153641423 is about 12395.2177471798. The cubic root of 153641423 is about 535.5944979628.

Adding to 153641423 its reverse (324146351), we get a palindrome (477787774).

The spelling of 153641423 in words is "one hundred fifty-three million, six hundred forty-one thousand, four hundred twenty-three".

Divisors: 1 13 11818571 153641423