Search a number
-
+
1231214232 = 23351300593
BaseRepresentation
bin100100101100010…
…1101011010011000
310011210202011102010
41021120231122120
510010142323412
6322101105520
742340101603
oct11130553230
93153664363
101231214232
11581a96526
122a43b82a0
13168103041
14b973733a
157315433c
hex4962d698

1231214232 has 16 divisors (see below), whose sum is σ = 3078035640. Its totient is φ = 410404736.

The previous prime is 1231214203. The next prime is 1231214251. The reversal of 1231214232 is 2324121321.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1231214199 and 1231214208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25650273 + ... + 25650320.

Almost surely, 21231214232 is an apocalyptic number.

1231214232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231214232 is an abundant number, since it is smaller than the sum of its proper divisors (1846821408).

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

1231214232 is a wasteful number, since it uses less digits than its factorization.

1231214232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51300602 (or 51300598 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1231214232 is about 35088.6624424471. The cubic root of 1231214232 is about 1071.7937223765.

Adding to 1231214232 its reverse (2324121321), we get a palindrome (3555335553).

The spelling of 1231214232 in words is "one billion, two hundred thirty-one million, two hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 51300593 102601186 153901779 205202372 307803558 410404744 615607116 1231214232