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142331300 = 22526123333
BaseRepresentation
bin10000111101111…
…00110110100100
3100220211011211122
420132330312210
5242414100200
622042353112
73345540026
oct1036746644
9326734748
10142331300
1173384681
123b7bb798
1323645507
1414c90016
15c767385
hex87bcda4

142331300 has 36 divisors (see below), whose sum is σ = 313935636. Its totient is φ = 55996800.

The previous prime is 142331281. The next prime is 142331317. The reversal of 142331300 is 3133241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 64609444 + 77721856 = 8038^2 + 8816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5567 + ... + 17766.

Almost surely, 2142331300 is an apocalyptic number.

142331300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142331300 is an abundant number, since it is smaller than the sum of its proper divisors (171604336).

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

142331300 is a wasteful number, since it uses less digits than its factorization.

142331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23408 (or 23401 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 142331300 is about 11930.2682283342. The cubic root of 142331300 is about 522.1157633870.

Adding to 142331300 its reverse (3133241), we get a palindrome (145464541).

It can be divided in two parts, 1423 and 31300, that added together give a palindrome (32723).

The spelling of 142331300 in words is "one hundred forty-two million, three hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 244 305 610 1220 1525 3050 6100 23333 46666 93332 116665 233330 466660 583325 1166650 1423313 2333300 2846626 5693252 7116565 14233130 28466260 35582825 71165650 142331300