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142343232 = 263977643
BaseRepresentation
bin10000111101111…
…11110001000000
3100220211210012120
420132333301000
5242414440412
622042524240
73345616563
oct1036776100
9326753176
10142343232
1173392639
123b806680
132364aa85
1414c944da
15c76ab8c
hex87bfc40

142343232 has 56 divisors (see below), whose sum is σ = 380548896. Its totient is φ = 46952448.

The previous prime is 142343221. The next prime is 142343237. The reversal of 142343232 is 232343241.

142343232 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (142343237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14803 + ... + 22445.

It is an arithmetic number, because the mean of its divisors is an integer number (6795516).

Almost surely, 2142343232 is an apocalyptic number.

142343232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142343232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190274448).

142343232 is an abundant number, since it is smaller than the sum of its proper divisors (238205664).

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

142343232 is an equidigital number, since it uses as much as digits as its factorization.

142343232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755 (or 7745 counting only the distinct ones).

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

The square root of 142343232 is about 11930.7682904329. The cubic root of 142343232 is about 522.1303530830.

Adding to 142343232 its reverse (232343241), we get a palindrome (374686473).

Subtracting 142343232 from its reverse (232343241), we obtain a palindrome (90000009).

The spelling of 142343232 in words is "one hundred forty-two million, three hundred forty-three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 97 192 194 291 388 582 776 1164 1552 2328 3104 4656 6208 7643 9312 15286 18624 22929 30572 45858 61144 91716 122288 183432 244576 366864 489152 733728 741371 1467456 1482742 2224113 2965484 4448226 5930968 8896452 11861936 17792904 23723872 35585808 47447744 71171616 142343232