Base | Representation |
---|---|
bin | 10001000000010… |
… | …10111101011110 |
3 | 100221102102200220 |
4 | 20200022331132 |
5 | 243004314410 |
6 | 22053302210 |
7 | 3351341541 |
oct | 1040127536 |
9 | 327372626 |
10 | 142651230 |
11 | 73582a87 |
12 | 3b934966 |
13 | 23728017 |
14 | 14d34858 |
15 | c7cc070 |
hex | 880af5e |
142651230 has 32 divisors (see below), whose sum is σ = 342965664. Its totient is φ = 37973376.
The previous prime is 142651193. The next prime is 142651237. The reversal of 142651230 is 32156241.
It is a self number, because there is not a number n which added to its sum of digits gives 142651230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142651237) 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 15 ways as a sum of consecutive naturals, for example, 14512 + ... + 22268.
It is an arithmetic number, because the mean of its divisors is an integer number (10717677).
Almost surely, 2142651230 is an apocalyptic number.
142651230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142651230 is an abundant number, since it is smaller than the sum of its proper divisors (200314434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142651230 is a wasteful number, since it uses less digits than its factorization.
142651230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8380.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 142651230 is about 11943.6690342625. The cubic root of 142651230 is about 522.5066717706.
The spelling of 142651230 in words is "one hundred forty-two million, six hundred fifty-one thousand, two hundred thirty".
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