Base | Representation |
---|---|
bin | 11001000010100… |
… | …000110100101011 |
3 | 1002021110201221201 |
4 | 121002200310223 |
5 | 1330020323011 |
6 | 105403545031 |
7 | 13260461440 |
oct | 3102406453 |
9 | 1067421851 |
10 | 420089131 |
11 | 1a6147200 |
12 | b882b177 |
13 | 69056467 |
14 | 3db139c7 |
15 | 26d30cc1 |
hex | 190a0d2b |
420089131 has 12 divisors (see below), whose sum is σ = 527716336. Its totient is φ = 327341520.
The previous prime is 420089093. The next prime is 420089141. The reversal of 420089131 is 131980024.
It is a happy number.
It is not a de Polignac number, because 420089131 - 27 = 420089003 is a prime.
It is a super-2 number, since 2×4200891312 = 352949755968670322, 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 420089131.
It is not an unprimeable number, because it can be changed into a prime (420089141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247140 + ... + 248833.
Almost surely, 2420089131 is an apocalyptic number.
420089131 is a deficient number, since it is larger than the sum of its proper divisors (107627205).
420089131 is a wasteful number, since it uses less digits than its factorization.
420089131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496002 (or 495991 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 420089131 is about 20496.0759902963. The cubic root of 420089131 is about 748.9402104260.
The spelling of 420089131 in words is "four hundred twenty million, eighty-nine thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •