Base | Representation |
---|---|
bin | 10000111110100… |
… | …01110000101100 |
3 | 100220222112022111 |
4 | 20133101300230 |
5 | 242424320230 |
6 | 22044253404 |
7 | 3346344511 |
oct | 1037216054 |
9 | 326875274 |
10 | 142416940 |
11 | 73432a56 |
12 | 3b841264 |
13 | 236754a3 |
14 | 14cb3308 |
15 | c78292a |
hex | 87d1c2c |
142416940 has 12 divisors (see below), whose sum is σ = 299075616. Its totient is φ = 56966768.
The previous prime is 142416931. The next prime is 142416947. The reversal of 142416940 is 49614241.
It is not an unprimeable number, because it can be changed into a prime (142416947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560404 + ... + 3560443.
It is an arithmetic number, because the mean of its divisors is an integer number (24922968).
Almost surely, 2142416940 is an apocalyptic number.
142416940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142416940 is an abundant number, since it is smaller than the sum of its proper divisors (156658676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142416940 is a wasteful number, since it uses less digits than its factorization.
142416940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7120856 (or 7120854 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 142416940 is about 11933.8568786457. The cubic root of 142416940 is about 522.2204605007.
The spelling of 142416940 in words is "one hundred forty-two million, four hundred sixteen thousand, nine hundred forty".
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