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5281590 = 235176053
BaseRepresentation
bin10100001001011100110110
3100221022222110
4110021130312
52323002330
6305111450
762615136
oct24113466
910838873
105281590
112a88156
121928586
13112c002
149b6ac6
156e4db0
hex509736

5281590 has 16 divisors (see below), whose sum is σ = 12675888. Its totient is φ = 1408416.

The previous prime is 5281547. The next prime is 5281597. The reversal of 5281590 is 951825.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 176053 = 5281590 / (5 + 2 + 8 + 1 + 5 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87997 + ... + 88056.

It is an arithmetic number, because the mean of its divisors is an integer number (792243).

Almost surely, 25281590 is an apocalyptic number.

5281590 is an abundant number, since it is smaller than the sum of its proper divisors (7394298).

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

5281590 is a wasteful number, since it uses less digits than its factorization.

5281590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176063.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 5281590 is about 2298.1710119136. The cubic root of 5281590 is about 174.1492312036.

The spelling of 5281590 in words is "five million, two hundred eighty-one thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 176053 352106 528159 880265 1056318 1760530 2640795 5281590