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8313130 = 2571031153
BaseRepresentation
bin11111101101100100101010
3120122100110201
4133231210222
54112010010
6454102414
7130442350
oct37554452
916570421
108313130
114768861
12294aa0a
131950b17
1411657d0
15ae323a
hex7ed92a

8313130 has 32 divisors (see below), whose sum is σ = 17282304. Its totient is φ = 2820096.

The previous prime is 8313113. The next prime is 8313133. The reversal of 8313130 is 313138.

It is a junction number, because it is equal to n+sod(n) for n = 8313098 and 8313107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8313133) 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, 6634 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (540072).

Almost surely, 28313130 is an apocalyptic number.

8313130 is the 1442-nd decagonal number.

8313130 is an abundant number, since it is smaller than the sum of its proper divisors (8969174).

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

8313130 is a wasteful number, since it uses less digits than its factorization.

8313130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 8313130 is about 2883.2499024538. The cubic root of 8313130 is about 202.5760929294.

Adding to 8313130 its reverse (313138), we get a palindrome (8626268).

The spelling of 8313130 in words is "eight million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 103 206 515 721 1030 1153 1442 2306 3605 5765 7210 8071 11530 16142 40355 80710 118759 237518 593795 831313 1187590 1662626 4156565 8313130