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5138310 = 235592903
BaseRepresentation
bin10011100110011110000110
3100200001102210
4103212132012
52303411220
6302044250
761450332
oct23463606
910601383
105138310
11299a541
121879686
1310aba28
1497a7c2
156b76e0
hex4e6786

5138310 has 32 divisors (see below), whose sum is σ = 12545280. Its totient is φ = 1346528.

The previous prime is 5138291. The next prime is 5138311. The reversal of 5138310 is 138315.

It is a happy number.

It is a super-2 number, since 2×51383102 = 52804459312200, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138311) 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, 319 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (392040).

Almost surely, 25138310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5138310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6272640).

5138310 is an abundant number, since it is smaller than the sum of its proper divisors (7406970).

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

5138310 is a wasteful number, since it uses less digits than its factorization.

5138310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5138310 is about 2266.7840655872. The cubic root of 5138310 is about 172.5599875383.

The spelling of 5138310 in words is "five million, one hundred thirty-eight thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 2903 5806 8709 14515 17418 29030 43545 87090 171277 342554 513831 856385 1027662 1712770 2569155 5138310