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5721055 = 51144211
BaseRepresentation
bin10101110100101111011111
3101202122210221
4111310233133
52431033210
6322342211
766425314
oct25645737
911678727
105721055
11325834a
121aba967
131254052
14a8cd0b
157801da
hex574bdf

5721055 has 4 divisors (see below), whose sum is σ = 6865272. Its totient is φ = 4576840.

The previous prime is 5721047. The next prime is 5721059. The reversal of 5721055 is 5501275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5721055 - 23 = 5721047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721059) 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, 572101 + ... + 572110.

It is an arithmetic number, because the mean of its divisors is an integer number (1716318).

Almost surely, 25721055 is an apocalyptic number.

5721055 is a deficient number, since it is larger than the sum of its proper divisors (1144217).

5721055 is a wasteful number, since it uses less digits than its factorization.

5721055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144216.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 5721055 is about 2391.8726972814. The cubic root of 5721055 is about 178.8512751927.

It can be divided in two parts, 57 and 21055, that added together give a palindrome (21112).

The spelling of 5721055 in words is "five million, seven hundred twenty-one thousand, fifty-five".

Divisors: 1 5 1144211 5721055