Search a number
-
+
153212434 = 2487115727
BaseRepresentation
bin10010010000111…
…01011000010010
3101200021222221121
421020131120102
5303210244214
623111512454
73540166324
oct1110353022
9350258847
10153212434
1179536851
124338872a
132598515b
14164c3614
15d6b6424
hex921d612

153212434 has 8 divisors (see below), whose sum is σ = 229880448. Its totient is φ = 76585620.

The previous prime is 153212413. The next prime is 153212459. The reversal of 153212434 is 434212351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 153212399 and 153212408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879 + ... + 17605.

It is an arithmetic number, because the mean of its divisors is an integer number (28735056).

Almost surely, 2153212434 is an apocalyptic number.

153212434 is a deficient number, since it is larger than the sum of its proper divisors (76668014).

153212434 is a wasteful number, since it uses less digits than its factorization.

153212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20600.

The product of its digits is 2880, while the sum is 25.

The square root of 153212434 is about 12377.9010336971. The cubic root of 153212434 is about 535.0955476129.

Adding to 153212434 its reverse (434212351), we get a palindrome (587424785).

The spelling of 153212434 in words is "one hundred fifty-three million, two hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 4871 9742 15727 31454 76606217 153212434