Base | Representation |
---|---|
bin | 10001000000100… |
… | …00001001010110 |
3 | 100221110111211120 |
4 | 20200100021112 |
5 | 243011004340 |
6 | 22053544410 |
7 | 3351460503 |
oct | 1040201126 |
9 | 327414746 |
10 | 142672470 |
11 | 73597a36 |
12 | 3b945106 |
13 | 237348a5 |
14 | 14d3c4aa |
15 | c7d34d0 |
hex | 8810256 |
142672470 has 32 divisors (see below), whose sum is σ = 342731520. Its totient is φ = 38010720.
The previous prime is 142672459. The next prime is 142672471. The reversal of 142672470 is 74276241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142672471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55105 + ... + 57635.
It is an arithmetic number, because the mean of its divisors is an integer number (10710360).
Almost surely, 2142672470 is an apocalyptic number.
142672470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142672470 is an abundant number, since it is smaller than the sum of its proper divisors (200059050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142672470 is a wasteful number, since it uses less digits than its factorization.
142672470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4420.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 142672470 is about 11944.5581751691. The cubic root of 142672470 is about 522.5326032936.
The spelling of 142672470 in words is "one hundred forty-two million, six hundred seventy-two thousand, four hundred seventy".
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