Base | Representation |
---|---|
bin | 101001000100100… |
… | …010000101110110 |
3 | 1210000120120111010 |
4 | 221010202011312 |
5 | 2402344212240 |
6 | 152212453050 |
7 | 23034601665 |
oct | 5104420566 |
9 | 1700516433 |
10 | 689054070 |
11 | 323a53581 |
12 | 17291a186 |
13 | ac9a9103 |
14 | 67728ddc |
15 | 4075e280 |
hex | 29122176 |
689054070 has 16 divisors (see below), whose sum is σ = 1653729840. Its totient is φ = 183747744.
The previous prime is 689054053. The next prime is 689054101. The reversal of 689054070 is 70450986.
It is a super-2 number, since 2×6890540702 = 949591022767129800, which contains 22 as substring.
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, 11484205 + ... + 11484264.
It is an arithmetic number, because the mean of its divisors is an integer number (103358115).
Almost surely, 2689054070 is an apocalyptic number.
689054070 is an abundant number, since it is smaller than the sum of its proper divisors (964675770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689054070 is a wasteful number, since it uses less digits than its factorization.
689054070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22968479.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 689054070 is about 26249.8394280803. The cubic root of 689054070 is about 883.2516025801.
The spelling of 689054070 in words is "six hundred eighty-nine million, fifty-four thousand, seventy".
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