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142331352 = 2337617793
BaseRepresentation
bin10000111101111…
…00110111011000
3100220211011220120
420132330313120
5242414100402
622042353240
73345540132
oct1036746730
9326734816
10142331352
1173384719
123b7bb820
1323645547
1414c90052
15c7673bc
hex87bcdd8

142331352 has 32 divisors (see below), whose sum is σ = 356341680. Its totient is φ = 47375360.

The previous prime is 142331347. The next prime is 142331359. The reversal of 142331352 is 253133241.

142331352 is digitally balanced in base 3, because in such base 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (142331359) 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, 14368 + ... + 22160.

Almost surely, 2142331352 is an apocalyptic number.

142331352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142331352 is an abundant number, since it is smaller than the sum of its proper divisors (214010328).

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

142331352 is a wasteful number, since it uses less digits than its factorization.

142331352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563 (or 8559 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 142331352 is about 11930.2704076647. The cubic root of 142331352 is about 522.1158269711.

Adding to 142331352 its reverse (253133241), we get a palindrome (395464593).

The spelling of 142331352 in words is "one hundred forty-two million, three hundred thirty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 761 1522 2283 3044 4566 6088 7793 9132 15586 18264 23379 31172 46758 62344 93516 187032 5930473 11860946 17791419 23721892 35582838 47443784 71165676 142331352