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4555144 = 2311371399
BaseRepresentation
bin10001011000000110001000
322120102111001
4101120012020
52131231034
6241344344
753501206
oct21300610
98512431
104555144
112631390
1216380b4
13c36469
14868076
155eea14
hex458188

4555144 has 32 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 2013120.

The previous prime is 4555139. The next prime is 4555151. The reversal of 4555144 is 4415554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557 + ... + 3955.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 24555144 is an apocalyptic number.

4555144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4555144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788000).

4555144 is an abundant number, since it is smaller than the sum of its proper divisors (5020856).

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

4555144 is a wasteful number, since it uses less digits than its factorization.

4555144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1449 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 4555144 is about 2134.2783323644. The cubic root of 4555144 is about 165.7680022336.

The spelling of 4555144 in words is "four million, five hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1399 1628 2798 3256 5596 11192 15389 30778 51763 61556 103526 123112 207052 414104 569393 1138786 2277572 4555144