Base | Representation |
---|---|
bin | 10001000010010… |
… | …00000010100111 |
3 | 100221220010220000 |
4 | 20201020002213 |
5 | 243040321130 |
6 | 22102512343 |
7 | 3353433126 |
oct | 1041100247 |
9 | 327803800 |
10 | 142901415 |
11 | 73733a48 |
12 | 3ba356b3 |
13 | 237b4b67 |
14 | 14d9babd |
15 | c82b260 |
hex | 88480a7 |
142901415 has 80 divisors (see below), whose sum is σ = 277041600. Its totient is φ = 70386624.
The previous prime is 142901411. The next prime is 142901459. The reversal of 142901415 is 514109241.
It is not a de Polignac number, because 142901415 - 22 = 142901411 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142901411) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4927621 + ... + 4927649.
It is an arithmetic number, because the mean of its divisors is an integer number (3463020).
Almost surely, 2142901415 is an apocalyptic number.
142901415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142901415 is a deficient number, since it is larger than the sum of its proper divisors (134140185).
142901415 is an frugal number, since it uses more digits than its factorization.
142901415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115 (or 60 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 142901415 is about 11954.1379864882. The cubic root of 142901415 is about 522.8119547656.
The spelling of 142901415 in words is "one hundred forty-two million, nine hundred one thousand, four hundred fifteen".
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