Search a number
-
+
153423811 = 509930089
BaseRepresentation
bin10010010010100…
…00111111000011
3101200200201220101
421021100333003
5303234030221
623120223231
73542036512
oct1111207703
9350621811
10153423811
1179670642
124346ab17
1325a2a428
141653a679
15d708d91
hex9250fc3

153423811 has 4 divisors (see below), whose sum is σ = 153459000. Its totient is φ = 153388624.

The previous prime is 153423779. The next prime is 153423821. The reversal of 153423811 is 118324351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118324351 = 235144537.

It is a cyclic number.

It is not a de Polignac number, because 153423811 - 25 = 153423779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153423811.

It is not an unprimeable number, because it can be changed into a prime (153423821) 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, 9946 + ... + 20143.

It is an arithmetic number, because the mean of its divisors is an integer number (38364750).

Almost surely, 2153423811 is an apocalyptic number.

153423811 is a deficient number, since it is larger than the sum of its proper divisors (35189).

153423811 is an equidigital number, since it uses as much as digits as its factorization.

153423811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35188.

The product of its digits is 2880, while the sum is 28.

The square root of 153423811 is about 12386.4365739304. The cubic root of 153423811 is about 535.3415131069.

The spelling of 153423811 in words is "one hundred fifty-three million, four hundred twenty-three thousand, eight hundred eleven".

Divisors: 1 5099 30089 153423811