Search a number
-
+
7897450067 = 13976262847
BaseRepresentation
bin1110101101011100…
…11000011001010011
3202101101110000211122
413112232120121103
5112133221400232
63343353432455
7366464134523
oct72656303123
922341400748
107897450067
1133929a5141
121644a0b72b
1398b218aa0
1454cc11683
153134e0312
hex1d6b98653

7897450067 has 8 divisors (see below), whose sum is σ = 8592627456. Its totient is φ = 7214798592.

The previous prime is 7897450049. The next prime is 7897450151. The reversal of 7897450067 is 7600547987.

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 7897450067 - 212 = 7897445971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7897450037) 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, 3130163 + ... + 3132684.

It is an arithmetic number, because the mean of its divisors is an integer number (1074078432).

Almost surely, 27897450067 is an apocalyptic number.

7897450067 is a deficient number, since it is larger than the sum of its proper divisors (695177389).

7897450067 is a wasteful number, since it uses less digits than its factorization.

7897450067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262957.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The square root of 7897450067 is about 88867.5985216209. The cubic root of 7897450067 is about 1991.4173943740.

The spelling of 7897450067 in words is "seven billion, eight hundred ninety-seven million, four hundred fifty thousand, sixty-seven".

Divisors: 1 13 97 1261 6262847 81417011 607496159 7897450067