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5439445 = 51198899
BaseRepresentation
bin10100101111111111010101
3101020100111221
4110233333111
52343030240
6312330341
764143304
oct24577725
911210457
105439445
113085810
1219a39b1
131185b0b
14a1843b
15726a4a
hex52ffd5

5439445 has 8 divisors (see below), whose sum is σ = 7120800. Its totient is φ = 3955920.

The previous prime is 5439433. The next prime is 5439461. The reversal of 5439445 is 5449345.

It is a happy number.

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

It is not a de Polignac number, because 5439445 - 215 = 5406677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5439445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49395 + ... + 49504.

It is an arithmetic number, because the mean of its divisors is an integer number (890100).

Almost surely, 25439445 is an apocalyptic number.

5439445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5439445 is a deficient number, since it is larger than the sum of its proper divisors (1681355).

5439445 is a wasteful number, since it uses less digits than its factorization.

5439445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98915.

The product of its digits is 43200, while the sum is 34.

The square root of 5439445 is about 2332.2617777599. The cubic root of 5439445 is about 175.8672057014.

The spelling of 5439445 in words is "five million, four hundred thirty-nine thousand, four hundred forty-five".

Divisors: 1 5 11 55 98899 494495 1087889 5439445