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67412 = 2219887
BaseRepresentation
bin10000011101010100
310102110202
4100131110
54124122
61240032
7400352
oct203524
9112422
1067412
1146714
1233018
13248b7
141a7d2
1514e92
hex10754

67412 has 12 divisors (see below), whose sum is σ = 124320. Its totient is φ = 31896.

The previous prime is 67411. The next prime is 67421. The reversal of 67412 is 21476.

Subtracting from 67412 its product of digits (336), we obtain a palindrome (67076).

Adding to 67412 its reverse (21476), we get a palindrome (88888).

It can be divided in two parts, 674 and 12, that added together give a palindrome (686).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (10360).

267412 is an apocalyptic number.

It is an amenable number.

67412 is a deficient number, since it is larger than the sum of its proper divisors (56908).

67412 is a wasteful number, since it uses less digits than its factorization.

67412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 67412 is about 259.6382098228. The cubic root of 67412 is about 40.6985625726.

The spelling of 67412 in words is "sixty-seven thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 887 1774 3548 16853 33706 67412