Search a number
-
+
121232232 = 233211153071
BaseRepresentation
bin1110011100111…
…01101101101000
322110010020100200
413032131231220
5222013412412
620010232200
73001312512
oct716355550
9273106320
10121232232
1162483630
1234725660
131c168a64
141215abb2
15a99a9dc
hex739db68

121232232 has 48 divisors (see below), whose sum is σ = 358188480. Its totient is φ = 36736800.

The previous prime is 121232231. The next prime is 121232261. The reversal of 121232232 is 232232121.

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

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

It is not an unprimeable number, because it can be changed into a prime (121232231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75744 + ... + 77327.

It is an arithmetic number, because the mean of its divisors is an integer number (7462260).

Almost surely, 2121232232 is an apocalyptic number.

121232232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121232232 is an abundant number, since it is smaller than the sum of its proper divisors (236956248).

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

121232232 is a wasteful number, since it uses less digits than its factorization.

121232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153094 (or 153087 counting only the distinct ones).

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

The square root of 121232232 is about 11010.5509398940. The cubic root of 121232232 is about 494.9249717934.

Adding to 121232232 its reverse (232232121), we get a palindrome (353464353).

The spelling of 121232232 in words is "one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 153071 306142 459213 612284 918426 1224568 1377639 1683781 1836852 2755278 3367562 3673704 5051343 5510556 6735124 10102686 11021112 13470248 15154029 20205372 30308058 40410744 60616116 121232232