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5128340 = 225725233
BaseRepresentation
bin10011100100000010010100
3100122112202112
4103210002110
52303101330
6301530152
761406300
oct23440224
910575675
105128340
112992aa8
121873958
1310a7329
14976d00
156b4795
hex4e4094

5128340 has 36 divisors (see below), whose sum is σ = 12530196. Its totient is φ = 1757952.

The previous prime is 5128337. The next prime is 5128349. The reversal of 5128340 is 438215.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 1449616 = 1918^2 + 1204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1637 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (348061).

Almost surely, 25128340 is an apocalyptic number.

It is an amenable number.

5128340 is an abundant number, since it is smaller than the sum of its proper divisors (7401856).

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

5128340 is a wasteful number, since it uses less digits than its factorization.

5128340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5247 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5128340 is about 2264.5838469794. The cubic root of 5128340 is about 172.4483076925.

The spelling of 5128340 in words is "five million, one hundred twenty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 5233 10466 20932 26165 36631 52330 73262 104660 146524 183155 256417 366310 512834 732620 1025668 1282085 2564170 5128340