Base | Representation |
---|---|
bin | 10000111110101… |
… | …00001100000000 |
3 | 100221000000221122 |
4 | 20133110030000 |
5 | 242430130010 |
6 | 22044411412 |
7 | 3346415501 |
oct | 1037241400 |
9 | 327000848 |
10 | 142426880 |
11 | 7343a472 |
12 | 3b846b68 |
13 | 23679b7b |
14 | 14cb6ba8 |
15 | c785855 |
hex | 87d4300 |
142426880 has 36 divisors (see below), whose sum is σ = 341159952. Its totient is φ = 56970240.
The previous prime is 142426871. The next prime is 142426891. The reversal of 142426880 is 88624241.
It is a super-2 number, since 2×1424268802 = 40570832293068800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142426880.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54356 + ... + 56915.
Almost surely, 2142426880 is an apocalyptic number.
142426880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142426880 is an abundant number, since it is smaller than the sum of its proper divisors (198733072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142426880 is an equidigital number, since it uses as much as digits as its factorization.
142426880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111292 (or 111278 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 35.
The square root of 142426880 is about 11934.2733335549. The cubic root of 142426880 is about 522.2326096889.
The spelling of 142426880 in words is "one hundred forty-two million, four hundred twenty-six thousand, eight hundred eighty".
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