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67272130 = 256727213
BaseRepresentation
bin1000000001001…
…11110111000010
311200120210000101
410000213313002
5114210202010
610401513014
71444542442
oct400476702
9150523011
1067272130
1134a78602
121a64276a
1310c24cc3
148d12122
155d8c73a
hex4027dc2

67272130 has 8 divisors (see below), whose sum is σ = 121089852. Its totient is φ = 26908848.

The previous prime is 67272097. The next prime is 67272137. The reversal of 67272130 is 3127276.

It can be written as a sum of positive squares in 2 ways, for example, as 55935441 + 11336689 = 7479^2 + 3367^2 .

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

It is not an unprimeable number, because it can be changed into a prime (67272137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3363597 + ... + 3363616.

Almost surely, 267272130 is an apocalyptic number.

67272130 is a deficient number, since it is larger than the sum of its proper divisors (53817722).

67272130 is a wasteful number, since it uses less digits than its factorization.

67272130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727220.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 67272130 is about 8201.9589123575. The cubic root of 67272130 is about 406.7039523578.

The spelling of 67272130 in words is "sixty-seven million, two hundred seventy-two thousand, one hundred thirty".

Divisors: 1 2 5 10 6727213 13454426 33636065 67272130