Base | Representation |
---|---|
bin | 1000000100010… |
… | …01001111110110 |
3 | 11201100001012110 |
4 | 10002021033312 |
5 | 114310433110 |
6 | 10414231450 |
7 | 1451123430 |
oct | 402111766 |
9 | 151301173 |
10 | 67671030 |
11 | 35220279 |
12 | 1a7b5586 |
13 | 1103473b |
14 | 8db7650 |
15 | 5e1aa20 |
hex | 40893f6 |
67671030 has 32 divisors (see below), whose sum is σ = 185612544. Its totient is φ = 15467616.
The previous prime is 67671017. The next prime is 67671031. The reversal of 67671030 is 3017676.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67671031) 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, 160912 + ... + 161331.
It is an arithmetic number, because the mean of its divisors is an integer number (5800392).
Almost surely, 267671030 is an apocalyptic number.
67671030 is an abundant number, since it is smaller than the sum of its proper divisors (117941514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67671030 is a wasteful number, since it uses less digits than its factorization.
67671030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322260.
The product of its (nonzero) digits is 5292, while the sum is 30.
The square root of 67671030 is about 8226.2403320107. The cubic root of 67671030 is about 407.5062390052.
The spelling of 67671030 in words is "sixty-seven million, six hundred seventy-one thousand, thirty".
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