Base | Representation |
---|---|
bin | 10001000000110… |
… | …00000001001111 |
3 | 100221112011001222 |
4 | 20200120001033 |
5 | 243013022334 |
6 | 22054353555 |
7 | 3351653513 |
oct | 1040300117 |
9 | 327464058 |
10 | 142704719 |
11 | 7360a193 |
12 | 3b95b8bb |
13 | 23746481 |
14 | 14d4a143 |
15 | c7dcd2e |
hex | 881804f |
142704719 has 8 divisors (see below), whose sum is σ = 150049152. Its totient is φ = 135455320.
The previous prime is 142704697. The next prime is 142704721. The reversal of 142704719 is 917407241.
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 142704719 - 216 = 142639183 is a prime.
It is a super-2 number, since 2×1427047192 = 40729273649737922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142704739) 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, 20669 + ... + 26694.
It is an arithmetic number, because the mean of its divisors is an integer number (18756144).
Almost surely, 2142704719 is an apocalyptic number.
142704719 is a deficient number, since it is larger than the sum of its proper divisors (7344433).
142704719 is a wasteful number, since it uses less digits than its factorization.
142704719 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47517.
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 142704719 is about 11945.9080441798. The cubic root of 142704719 is about 522.5719705811.
The spelling of 142704719 in words is "one hundred forty-two million, seven hundred four thousand, seven hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •