Search a number
-
+
7146397 = 47383397
BaseRepresentation
bin11011010000101110011101
3111110002000101
4123100232131
53312141042
6413101101
7114512656
oct33205635
914402011
107146397
114041215
122487791
131632a4b
14d4052d
159626b7
hex6d0b9d

7146397 has 8 divisors (see below), whose sum is σ = 7335936. Its totient is φ = 6958512.

The previous prime is 7146389. The next prime is 7146401. The reversal of 7146397 is 7936417.

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 7146397 - 23 = 7146389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7146197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17803 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (916992).

Almost surely, 27146397 is an apocalyptic number.

It is an amenable number.

7146397 is a deficient number, since it is larger than the sum of its proper divisors (189539).

7146397 is a wasteful number, since it uses less digits than its factorization.

7146397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its digits is 31752, while the sum is 37.

The square root of 7146397 is about 2673.2745837269. The cubic root of 7146397 is about 192.6174871716.

The spelling of 7146397 in words is "seven million, one hundred forty-six thousand, three hundred ninety-seven".

Divisors: 1 47 383 397 18001 18659 152051 7146397