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6308420 = 225315421
BaseRepresentation
bin11000000100001001000100
3102212111112012
4120010021010
53103332140
6343113352
7104422616
oct30041104
912774465
106308420
113619678
122142858
1313cb4c1
14ba2db6
15849265
hex604244

6308420 has 12 divisors (see below), whose sum is σ = 13247724. Its totient is φ = 2523360.

The previous prime is 6308369. The next prime is 6308429. The reversal of 6308420 is 248036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 2114116 = 2048^2 + 1454^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6308429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157691 + ... + 157730.

It is an arithmetic number, because the mean of its divisors is an integer number (1103977).

Almost surely, 26308420 is an apocalyptic number.

It is an amenable number.

6308420 is an abundant number, since it is smaller than the sum of its proper divisors (6939304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6308420 is a wasteful number, since it uses less digits than its factorization.

6308420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315430 (or 315428 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6308420 is about 2511.6568236923. The cubic root of 6308420 is about 184.7737189565.

The spelling of 6308420 in words is "six million, three hundred eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 315421 630842 1261684 1577105 3154210 6308420