Search a number
-
+
153421311 = 3179731013
BaseRepresentation
bin10010010010100…
…00010111111111
3101200200121110210
421021100113333
5303233440221
623120203503
73542026311
oct1111202777
9350617423
10153421311
117966977a
1243469593
1325a29254
14165397b1
15d708276
hex92505ff

153421311 has 16 divisors (see below), whose sum is σ = 218834784. Its totient is φ = 95268864.

The previous prime is 153421309. The next prime is 153421337. The reversal of 153421311 is 113124351.

It is not a de Polignac number, because 153421311 - 21 = 153421309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153421361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10560 + ... + 20453.

It is an arithmetic number, because the mean of its divisors is an integer number (13677174).

Almost surely, 2153421311 is an apocalyptic number.

153421311 is a deficient number, since it is larger than the sum of its proper divisors (65413473).

153421311 is a wasteful number, since it uses less digits than its factorization.

153421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31130.

The product of its digits is 360, while the sum is 21.

The square root of 153421311 is about 12386.3356566823. The cubic root of 153421311 is about 535.3386053422.

Adding to 153421311 its reverse (113124351), we get a palindrome (266545662).

It can be divided in two parts, 15342 and 1311, that added together give a triangular number (16653 = T182).

The spelling of 153421311 in words is "one hundred fifty-three million, four hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 17 51 97 291 1649 4947 31013 93039 527221 1581663 3008261 9024783 51140437 153421311