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6920130 = 2357311063
BaseRepresentation
bin11010011001011111000010
3111000120122010
4122121133002
53232421010
6404153350
7112551210
oct32313702
914016563
106920130
1139a7218
122398856
131583a69
14cc1cb0
1591a620
hex6997c2

6920130 has 64 divisors (see below), whose sum is σ = 19611648. Its totient is φ = 1529280.

The previous prime is 6920129. The next prime is 6920131. The reversal of 6920130 is 310296.

It is an interprime number because it is at equal distance from previous prime (6920129) and next prime (6920131).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 6920097 and 6920106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5979 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

Almost surely, 26920130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6920130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9805824).

6920130 is an abundant number, since it is smaller than the sum of its proper divisors (12691518).

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

6920130 is a wasteful number, since it uses less digits than its factorization.

6920130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 6920130 is about 2630.6139967696. The cubic root of 6920130 is about 190.5627819882.

The spelling of 6920130 in words is "six million, nine hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 155 186 210 217 310 434 465 651 930 1063 1085 1302 2126 2170 3189 3255 5315 6378 6510 7441 10630 14882 15945 22323 31890 32953 37205 44646 65906 74410 98859 111615 164765 197718 223230 230671 329530 461342 494295 692013 988590 1153355 1384026 2306710 3460065 6920130