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142330000 = 245443331
BaseRepresentation
bin10000111101111…
…00100010010000
3100220211010001111
420132330202100
5242414030000
622042343104
73345533161
oct1036744220
9326733044
10142330000
11733836aa
123b7baa94
1323644a47
1414c8d768
15c766cba
hex87bc890

142330000 has 100 divisors (see below), whose sum is σ = 353674288. Its totient is φ = 55440000.

The previous prime is 142329989. The next prime is 142330061. The reversal of 142330000 is 33241.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 429835 + ... + 430165.

Almost surely, 2142330000 is an apocalyptic number.

142330000 is a gapful number since it is divisible by the number (10) 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 142330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176837144).

142330000 is an abundant number, since it is smaller than the sum of its proper divisors (211344288).

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

142330000 is an equidigital number, since it uses as much as digits as its factorization.

142330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 142330000 is about 11930.2137449419. The cubic root of 142330000 is about 522.1141737798.

Adding to 142330000 its reverse (33241), we get a palindrome (142363241).

The spelling of 142330000 in words is "one hundred forty-two million, three hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 125 172 200 215 250 331 344 400 430 500 625 662 688 860 1000 1075 1250 1324 1655 1720 2000 2150 2500 2648 3310 3440 4300 5000 5296 5375 6620 8275 8600 10000 10750 13240 14233 16550 17200 21500 26480 26875 28466 33100 41375 43000 53750 56932 66200 71165 82750 86000 107500 113864 132400 142330 165500 206875 215000 227728 284660 331000 355825 413750 430000 569320 662000 711650 827500 1138640 1423300 1655000 1779125 2846600 3310000 3558250 5693200 7116500 8895625 14233000 17791250 28466000 35582500 71165000 142330000