Base | Representation |
---|---|
bin | 1000000011101… |
… | …01011110011000 |
3 | 11201011221002211 |
4 | 10001311132120 |
5 | 114300340130 |
6 | 10412404504 |
7 | 1450335340 |
oct | 401653630 |
9 | 151157084 |
10 | 67590040 |
11 | 35175441 |
12 | 1a776734 |
13 | 1100690b |
14 | 8d95d20 |
15 | 5e01a2a |
hex | 4075798 |
67590040 has 32 divisors (see below), whose sum is σ = 173803680. Its totient is φ = 23173632.
The previous prime is 67589989. The next prime is 67590059. The reversal of 67590040 is 4009576.
It is a junction number, because it is equal to n+sod(n) for n = 67589984 and 67590011.
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, 120417 + ... + 120976.
It is an arithmetic number, because the mean of its divisors is an integer number (5431365).
Almost surely, 267590040 is an apocalyptic number.
It is an amenable number.
67590040 is an abundant number, since it is smaller than the sum of its proper divisors (106213640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67590040 is a wasteful number, since it uses less digits than its factorization.
67590040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241411 (or 241407 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 31.
The square root of 67590040 is about 8221.3161963277. The cubic root of 67590040 is about 407.3436036518.
The spelling of 67590040 in words is "sixty-seven million, five hundred ninety thousand, forty".
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