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5138890 = 252322343
BaseRepresentation
bin10011100110100111001010
3100200002020021
4103212213022
52303421030
6302051054
761452121
oct23464712
910602207
105138890
11299aa19
121879a8a
1310ac083
1497aab8
156b797a
hex4e69ca

5138890 has 16 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 1966096.

The previous prime is 5138869. The next prime is 5138891. The reversal of 5138890 is 988315.

It is not an unprimeable number, because it can be changed into a prime (5138891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10942 + ... + 11401.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 25138890 is an apocalyptic number.

5138890 is a deficient number, since it is larger than the sum of its proper divisors (4513718).

5138890 is a wasteful number, since it uses less digits than its factorization.

5138890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22373.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 5138890 is about 2266.9119965274. The cubic root of 5138890 is about 172.5664800120.

The spelling of 5138890 in words is "five million, one hundred thirty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 22343 44686 111715 223430 513889 1027778 2569445 5138890