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6313940 = 225315697
BaseRepresentation
bin11000000101011111010100
3102212210002122
4120011133110
53104021230
6343155112
7104444663
oct30053724
912783078
106313940
113622836
122145a98
131400b79
14ba4dda
1584abe5
hex6057d4

6313940 has 12 divisors (see below), whose sum is σ = 13259316. Its totient is φ = 2525568.

The previous prime is 6313921. The next prime is 6313949. The reversal of 6313940 is 493136.

It can be written as a sum of positive squares in 2 ways, for example, as 4251844 + 2062096 = 2062^2 + 1436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6313949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157829 + ... + 157868.

It is an arithmetic number, because the mean of its divisors is an integer number (1104943).

Almost surely, 26313940 is an apocalyptic number.

It is an amenable number.

6313940 is an abundant number, since it is smaller than the sum of its proper divisors (6945376).

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

6313940 is a wasteful number, since it uses less digits than its factorization.

6313940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315706 (or 315704 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 6313940 is about 2512.7554596498. The cubic root of 6313940 is about 184.8275968731.

The spelling of 6313940 in words is "six million, three hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 315697 631394 1262788 1578485 3156970 6313940