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67418 = 2132593
BaseRepresentation
bin10000011101011010
310102110222
4100131122
54124133
61240042
7400361
oct203532
9112428
1067418
114671a
1233022
13248c0
141a7d8
1514e98
hex1075a

67418 has 8 divisors (see below), whose sum is σ = 108948. Its totient is φ = 31104.

The previous prime is 67411. The next prime is 67421. The reversal of 67418 is 81476.

It can be written as a sum of positive squares in 2 ways, for example, as 66049 + 1369 = 257^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2593 = 67418 / (6 + 7 + 4 + 1 + 8).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67411) 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, 1271 + ... + 1322.

267418 is an apocalyptic number.

67418 is a deficient number, since it is larger than the sum of its proper divisors (41530).

67418 is a wasteful number, since it uses less digits than its factorization.

67418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its digits is 1344, while the sum is 26.

The square root of 67418 is about 259.6497641054. The cubic root of 67418 is about 40.6997699943.

The spelling of 67418 in words is "sixty-seven thousand, four hundred eighteen".

Divisors: 1 2 13 26 2593 5186 33709 67418