Base | Representation |
---|---|
bin | 1000011111011… |
… | …10010000011110 |
3 | 11222000212212110 |
4 | 10033232100132 |
5 | 121213333434 |
6 | 11022414450 |
7 | 1523310036 |
oct | 417562036 |
9 | 158025773 |
10 | 71230494 |
11 | 37231585 |
12 | 1ba31426 |
13 | 119ac92a |
14 | 96628c6 |
15 | 63c04e9 |
hex | 43ee41e |
71230494 has 16 divisors (see below), whose sum is σ = 148655232. Its totient is φ = 22711128.
The previous prime is 71230483. The next prime is 71230531. The reversal of 71230494 is 49403217.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257944 + ... + 258219.
It is an arithmetic number, because the mean of its divisors is an integer number (9290952).
Almost surely, 271230494 is an apocalyptic number.
71230494 is an abundant number, since it is smaller than the sum of its proper divisors (77424738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71230494 is a wasteful number, since it uses less digits than its factorization.
71230494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516191.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 71230494 is about 8439.8159932548. The cubic root of 71230494 is about 414.5293818354.
The spelling of 71230494 in words is "seventy-one million, two hundred thirty thousand, four hundred ninety-four".
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