Base | Representation |
---|---|
bin | 1000000001011… |
… | …00010111000000 |
3 | 11200121201021222 |
4 | 10000230113000 |
5 | 114211244220 |
6 | 10402134212 |
7 | 1444650251 |
oct | 400542700 |
9 | 150551258 |
10 | 67290560 |
11 | 34a90437 |
12 | 1a651368 |
13 | 10c304cc |
14 | 8d18b28 |
15 | 5d92e25 |
hex | 402c5c0 |
67290560 has 28 divisors (see below), whose sum is σ = 160236408. Its totient is φ = 26916096.
The previous prime is 67290557. The next prime is 67290563. The reversal of 67290560 is 6509276.
It is an interprime number because it is at equal distance from previous prime (67290557) and next prime (67290563).
It is a super-2 number, since 2×672905602 = 9056038930227200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 67290560.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67290563) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104822 + ... + 105461.
Almost surely, 267290560 is an apocalyptic number.
It is an amenable number.
67290560 is an abundant number, since it is smaller than the sum of its proper divisors (92945848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67290560 is a wasteful number, since it uses less digits than its factorization.
67290560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210300 (or 210290 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 67290560 is about 8203.0823475082. The cubic root of 67290560 is about 406.7410894281.
The spelling of 67290560 in words is "sixty-seven million, two hundred ninety thousand, five hundred sixty".
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