Search a number
-
+
1232100234 = 2347605557
BaseRepresentation
bin100100101110000…
…0101101110001010
310011212102011210000
41021130011232022
510010404201414
6322132103430
742350451651
oct11134055612
93155364700
101232100234
11582541162
122a4764b76
131683533c1
14b98c8198
157327bb09
hex49705b8a

1232100234 has 20 divisors (see below), whose sum is σ = 2760817554. Its totient is φ = 410700024.

The previous prime is 1232100229. The next prime is 1232100251. The reversal of 1232100234 is 4320012321.

It can be written as a sum of positive squares in only one way, i.e., 838276209 + 393824025 = 28953^2 + 19845^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3802617 + ... + 3802940.

Almost surely, 21232100234 is an apocalyptic number.

1232100234 is an abundant number, since it is smaller than the sum of its proper divisors (1528717320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232100234 is an equidigital number, since it uses as much as digits as its factorization.

1232100234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605571 (or 7605562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1232100234 is about 35101.2853610804. The cubic root of 1232100234 is about 1072.0507541918.

Adding to 1232100234 its reverse (4320012321), we get a palindrome (5552112555).

The spelling of 1232100234 in words is "one billion, two hundred thirty-two million, one hundred thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 7605557 15211114 22816671 45633342 68450013 136900026 205350039 410700078 616050117 1232100234