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142432332 = 22371695623
BaseRepresentation
bin10000111110101…
…01100001001100
3100221000022102120
420133111201030
5242430313312
622044452540
73346440420
oct1037254114
9327008376
10142432332
1173443579
123b84a150
132367c4b3
1414cb8b80
15c78728c
hex87d584c

142432332 has 24 divisors (see below), whose sum is σ = 379819776. Its totient is φ = 40694928.

The previous prime is 142432309. The next prime is 142432337. The reversal of 142432332 is 233234241.

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 (142432337) 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 7 ways as a sum of consecutive naturals, for example, 847728 + ... + 847895.

It is an arithmetic number, because the mean of its divisors is an integer number (15825824).

Almost surely, 2142432332 is an apocalyptic number.

142432332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142432332 is an abundant number, since it is smaller than the sum of its proper divisors (237387444).

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

142432332 is a wasteful number, since it uses less digits than its factorization.

142432332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695637 (or 1695635 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 142432332 is about 11934.5017491305. The cubic root of 142432332 is about 522.2392731686.

Adding to 142432332 its reverse (233234241), we get a palindrome (375666573).

The spelling of 142432332 in words is "one hundred forty-two million, four hundred thirty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1695623 3391246 5086869 6782492 10173738 11869361 20347476 23738722 35608083 47477444 71216166 142432332