Search a number
-
+
670145033 = 1798234549
BaseRepresentation
bin100111111100011…
…001101000001001
31201200222220011102
4213330121220021
52333024120113
6150255311145
722415065415
oct4774315011
91650886142
10670145033
11314308978
1216851b4b5
13a8ab842c
1465005d45
153dc76758
hex27f19a09

670145033 has 8 divisors (see below), whose sum is σ = 674856000. Its totient is φ = 665445168.

The previous prime is 670145017. The next prime is 670145039. The reversal of 670145033 is 330541076.

670145033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670145033 - 24 = 670145017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 670144987 and 670145005.

It is not an unprimeable number, because it can be changed into a prime (670145039) 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, 145043 + ... + 149591.

It is an arithmetic number, because the mean of its divisors is an integer number (84357000).

Almost surely, 2670145033 is an apocalyptic number.

It is an amenable number.

670145033 is a deficient number, since it is larger than the sum of its proper divisors (4710967).

670145033 is a wasteful number, since it uses less digits than its factorization.

670145033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 670145033 is about 25887.1596163040. The cubic root of 670145033 is about 875.0971464385.

The spelling of 670145033 in words is "six hundred seventy million, one hundred forty-five thousand, thirty-three".

Divisors: 1 179 823 4549 147317 814271 3743827 670145033