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5387390 = 25538739
BaseRepresentation
bin10100100011010001111110
3101010201002222
4110203101332
52334344030
6311245342
763535451
oct24432176
911121088
105387390
11304a698
121979852
131168208
14a03498
157163e5
hex52347e

5387390 has 8 divisors (see below), whose sum is σ = 9697320. Its totient is φ = 2154952.

The previous prime is 5387387. The next prime is 5387399. The reversal of 5387390 is 937835.

Added to its reverse (937835) it gives a square (6325225 = 25152).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5387390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269360 + ... + 269379.

It is an arithmetic number, because the mean of its divisors is an integer number (1212165).

Almost surely, 25387390 is an apocalyptic number.

5387390 is a deficient number, since it is larger than the sum of its proper divisors (4309930).

5387390 is a wasteful number, since it uses less digits than its factorization.

5387390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538746.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 5387390 is about 2321.0751818931. The cubic root of 5387390 is about 175.3043953970.

Adding to 5387390 its reverse (937835), we get a square (6325225 = 25152).

The spelling of 5387390 in words is "five million, three hundred eighty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 538739 1077478 2693695 5387390