Base | Representation |
---|---|
bin | 10000111110110… |
… | …01111100010011 |
3 | 100221001020021122 |
4 | 20133121330103 |
5 | 242431403301 |
6 | 22045112455 |
7 | 3346544303 |
oct | 1037317423 |
9 | 327036248 |
10 | 142450451 |
11 | 73456150 |
12 | 3b85872b |
13 | 23687810 |
14 | 14cc1603 |
15 | c78c81b |
hex | 87d9f13 |
142450451 has 8 divisors (see below), whose sum is σ = 167354544. Its totient is φ = 119538720.
The previous prime is 142450423. The next prime is 142450459. The reversal of 142450451 is 154054241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142450451 - 26 = 142450387 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142450451.
It is not an unprimeable number, because it can be changed into a prime (142450459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497936 + ... + 498221.
It is an arithmetic number, because the mean of its divisors is an integer number (20919318).
Almost surely, 2142450451 is an apocalyptic number.
142450451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
142450451 is a deficient number, since it is larger than the sum of its proper divisors (24904093).
142450451 is a wasteful number, since it uses less digits than its factorization.
142450451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 996181.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 142450451 is about 11935.2608266430. The cubic root of 142450451 is about 522.2614171393.
The spelling of 142450451 in words is "one hundred forty-two million, four hundred fifty thousand, four hundred fifty-one".
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