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5438455 = 511611621
BaseRepresentation
bin10100101111101111110111
3101020022011021
4110233233313
52343012310
6312322011
764140361
oct24575767
911208137
105438455
113084aa0
1219a3307
131185529
14a17d31
157265da
hex52fbf7

5438455 has 16 divisors (see below), whose sum is σ = 7240608. Its totient is φ = 3888000.

The previous prime is 5438437. The next prime is 5438479. The reversal of 5438455 is 5548345.

It is not a de Polignac number, because 5438455 - 211 = 5436407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5438455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (452538).

Almost surely, 25438455 is an apocalyptic number.

5438455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5438455 is a deficient number, since it is larger than the sum of its proper divisors (1802153).

5438455 is a wasteful number, since it uses less digits than its factorization.

5438455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 48000, while the sum is 34.

The square root of 5438455 is about 2332.0495277759. The cubic root of 5438455 is about 175.8565355504.

It can be divided in two parts, 543 and 8455, that added together give a palindrome (8998).

The spelling of 5438455 in words is "five million, four hundred thirty-eight thousand, four hundred fifty-five".

Divisors: 1 5 11 55 61 305 671 1621 3355 8105 17831 89155 98881 494405 1087691 5438455