Base | Representation |
---|---|
bin | 1000000110100… |
… | …10110110000101 |
3 | 11201220100201110 |
4 | 10003102312011 |
5 | 114400104420 |
6 | 10424515233 |
7 | 1453520340 |
oct | 403226605 |
9 | 151810643 |
10 | 67972485 |
11 | 35406809 |
12 | 1a91bb19 |
13 | 1110ba09 |
14 | 9055457 |
15 | 5e79ee0 |
hex | 40d2d85 |
67972485 has 16 divisors (see below), whose sum is σ = 124292736. Its totient is φ = 31073088.
The previous prime is 67972453. The next prime is 67972493. The reversal of 67972485 is 58427976.
It is not a de Polignac number, because 67972485 - 25 = 67972453 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323574 + ... + 323783.
It is an arithmetic number, because the mean of its divisors is an integer number (7768296).
Almost surely, 267972485 is an apocalyptic number.
It is an amenable number.
67972485 is a deficient number, since it is larger than the sum of its proper divisors (56320251).
67972485 is a wasteful number, since it uses less digits than its factorization.
67972485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 647372.
The product of its digits is 846720, while the sum is 48.
The square root of 67972485 is about 8244.5427405042. The cubic root of 67972485 is about 408.1104504412.
The spelling of 67972485 in words is "sixty-seven million, nine hundred seventy-two thousand, four hundred eighty-five".
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