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67130411 = 137490003
BaseRepresentation
bin1000000000001…
…01010000101011
311200022120121112
410000011100223
5114141133121
610354500535
71443412325
oct400052053
9150276545
1067130411
1134991087
121a59474b
1310ba564a
148cb6615
155d6075b
hex400542b

67130411 has 4 divisors (see below), whose sum is σ = 67620552. Its totient is φ = 66640272.

The previous prime is 67130387. The next prime is 67130417. The reversal of 67130411 is 11403176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67130411 - 26 = 67130347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67130417) 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, 244865 + ... + 245138.

It is an arithmetic number, because the mean of its divisors is an integer number (16905138).

Almost surely, 267130411 is an apocalyptic number.

67130411 is a deficient number, since it is larger than the sum of its proper divisors (490141).

67130411 is a wasteful number, since it uses less digits than its factorization.

67130411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490140.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 67130411 is about 8193.3150189652. The cubic root of 67130411 is about 406.4181569423.

Adding to 67130411 its reverse (11403176), we get a palindrome (78533587).

The spelling of 67130411 in words is "sixty-seven million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 137 490003 67130411