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67714220 = 2257677219
BaseRepresentation
bin1000000100100…
…11110010101100
311201102020110002
410002103302230
5114313323340
610415203432
71451363360
oct402236254
9151366402
1067714220
113524a772
121a816578
131104b2b2
148dc92a0
155e28715
hex4093cac

67714220 has 48 divisors (see below), whose sum is σ = 164962560. Its totient is φ = 22866624.

The previous prime is 67714193. The next prime is 67714237. The reversal of 67714220 is 2241776.

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, 5771 + ... + 12989.

It is an arithmetic number, because the mean of its divisors is an integer number (3436720).

Almost surely, 267714220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67714220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82481280).

67714220 is an abundant number, since it is smaller than the sum of its proper divisors (97248340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67714220 is a wasteful number, since it uses less digits than its factorization.

67714220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 67714220 is about 8228.8650493248. The cubic root of 67714220 is about 407.5929154428.

Adding to 67714220 its reverse (2241776), we get a palindrome (69955996).

The spelling of 67714220 in words is "sixty-seven million, seven hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1340 1876 2345 4690 7219 9380 14438 28876 36095 50533 72190 101066 144380 202132 252665 483673 505330 967346 1010660 1934692 2418365 3385711 4836730 6771422 9673460 13542844 16928555 33857110 67714220