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6390129 = 36413323
BaseRepresentation
bin11000011000000101110001
3110000122121110
4120120011301
53113441004
6344543533
7105213054
oct30300561
913018543
106390129
113674aa9
122181ba9
131429755
14bc4a9b
15863589
hex618171

6390129 has 8 divisors (see below), whose sum is σ = 8536032. Its totient is φ = 4252160.

The previous prime is 6390127. The next prime is 6390161. The reversal of 6390129 is 9210936.

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 6390129 - 21 = 6390127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6390096 and 6390105.

It is not an unprimeable number, because it can be changed into a prime (6390127) 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, 262 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (1067004).

Almost surely, 26390129 is an apocalyptic number.

It is an amenable number.

6390129 is a deficient number, since it is larger than the sum of its proper divisors (2145903).

6390129 is a wasteful number, since it uses less digits than its factorization.

6390129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 6390129 is about 2527.8704476298. The cubic root of 6390129 is about 185.5680518886.

The spelling of 6390129 in words is "six million, three hundred ninety thousand, one hundred twenty-nine".

Divisors: 1 3 641 1923 3323 9969 2130043 6390129