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7680315 = 35512021
BaseRepresentation
bin11101010011000100111011
3112110012102010
4131103010323
53431232230
6432341003
7122165406
oct35230473
915405363
107680315
114376375
1226a4763
13178ba86
14103cd3d
15a1a9b0
hex75313b

7680315 has 8 divisors (see below), whose sum is σ = 12288528. Its totient is φ = 4096160.

The previous prime is 7680293. The next prime is 7680329. The reversal of 7680315 is 5130867.

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

It is not a de Polignac number, because 7680315 - 26 = 7680251 is a prime.

It is an unprimeable number.

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, 255996 + ... + 256025.

It is an arithmetic number, because the mean of its divisors is an integer number (1536066).

Almost surely, 27680315 is an apocalyptic number.

7680315 is a deficient number, since it is larger than the sum of its proper divisors (4608213).

7680315 is a wasteful number, since it uses less digits than its factorization.

7680315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512029.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7680315 is about 2771.3381244446. The cubic root of 7680315 is about 197.2996633290.

The spelling of 7680315 in words is "seven million, six hundred eighty thousand, three hundred fifteen".

Divisors: 1 3 5 15 512021 1536063 2560105 7680315