Search a number
-
+
67023145 = 571914947
BaseRepresentation
bin1111111110101…
…1000100101001
311200010010110201
43333223010221
5114124220040
610352312201
71442454520
oct377530451
9150103421
1067023145
1134918532
121a542661
1310b68887
148c894b7
155d3da9a
hex3feb129

67023145 has 8 divisors (see below), whose sum is σ = 91917504. Its totient is φ = 45958704.

The previous prime is 67023139. The next prime is 67023157. The reversal of 67023145 is 54132076.

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

It is a cyclic number.

It is not a de Polignac number, because 67023145 - 25 = 67023113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957439 + ... + 957508.

It is an arithmetic number, because the mean of its divisors is an integer number (11489688).

Almost surely, 267023145 is an apocalyptic number.

It is an amenable number.

67023145 is a deficient number, since it is larger than the sum of its proper divisors (24894359).

67023145 is a wasteful number, since it uses less digits than its factorization.

67023145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914959.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 67023145 is about 8186.7664556893. The cubic root of 67023145 is about 406.2015730835.

The spelling of 67023145 in words is "sixty-seven million, twenty-three thousand, one hundred forty-five".

Divisors: 1 5 7 35 1914947 9574735 13404629 67023145