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67006130 = 2523291331
BaseRepresentation
bin1111111110011…
…0111010110010
311200002021010112
43333212322302
5114123144010
610352101322
71442354102
oct377467262
9150067115
1067006130
1134906774
121a534842
1310b60bc9
148c83202
155d38a05
hex3fe6eb2

67006130 has 16 divisors (see below), whose sum is σ = 125855424. Its totient is φ = 25637040.

The previous prime is 67006117. The next prime is 67006133. The reversal of 67006130 is 3160076.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 67006096 and 67006105.

It is not an unprimeable number, because it can be changed into a prime (67006133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145436 + ... + 145895.

It is an arithmetic number, because the mean of its divisors is an integer number (7865964).

Almost surely, 267006130 is an apocalyptic number.

67006130 is a deficient number, since it is larger than the sum of its proper divisors (58849294).

67006130 is a wasteful number, since it uses less digits than its factorization.

67006130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291361.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 67006130 is about 8185.7272126550. The cubic root of 67006130 is about 406.1671963782.

The spelling of 67006130 in words is "sixty-seven million, six thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 291331 582662 1456655 2913310 6700613 13401226 33503065 67006130