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6390307 = 711372243
BaseRepresentation
bin11000011000001000100011
3110000122212001
4120120020203
53113442212
6344544431
7105213430
oct30301043
913018761
106390307
113675150
122182117
131429861
14bc4b87
15863657
hex618223

6390307 has 16 divisors (see below), whose sum is σ = 8186112. Its totient is φ = 4842720.

The previous prime is 6390281. The next prime is 6390313. The reversal of 6390307 is 7030936.

It is a cyclic number.

It is not a de Polignac number, because 6390307 - 211 = 6388259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6390337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (511632).

Almost surely, 26390307 is an apocalyptic number.

6390307 is a deficient number, since it is larger than the sum of its proper divisors (1795805).

6390307 is a wasteful number, since it uses less digits than its factorization.

6390307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 6390307 is about 2527.9056548851. The cubic root of 6390307 is about 185.5697749006.

The spelling of 6390307 in words is "six million, three hundred ninety thousand, three hundred seven".

Divisors: 1 7 11 37 77 259 407 2243 2849 15701 24673 82991 172711 580937 912901 6390307