Base | Representation |
---|---|
bin | 1000000100100… |
… | …10100001000000 |
3 | 11201101222021110 |
4 | 10002102201000 |
5 | 114313141432 |
6 | 10415123320 |
7 | 1451342211 |
oct | 402224100 |
9 | 151358243 |
10 | 67708992 |
11 | 3524684a |
12 | 1a813540 |
13 | 11048ac0 |
14 | 8dc7408 |
15 | 5e26dcc |
hex | 4092840 |
67708992 has 56 divisors (see below), whose sum is σ = 192934336. Its totient is φ = 20832768.
The previous prime is 67708973. The next prime is 67709003. The reversal of 67708992 is 29980776.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 11068 + ... + 16059.
It is an arithmetic number, because the mean of its divisors is an integer number (3445256).
Almost surely, 267708992 is an apocalyptic number.
It is an amenable number.
67708992 is an abundant number, since it is smaller than the sum of its proper divisors (125225344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67708992 is a wasteful number, since it uses less digits than its factorization.
67708992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27155 (or 27145 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 48.
The square root of 67708992 is about 8228.5473809172. The cubic root of 67708992 is about 407.5824255211.
The spelling of 67708992 in words is "sixty-seven million, seven hundred eight thousand, nine hundred ninety-two".
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