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2423213440 = 2753786271
BaseRepresentation
bin1001000001101111…
…0100110110000000
320020212200222220221
42100123310312000
514430320312230
61040241512424
7114022655134
oct22033646600
96225628827
102423213440
11103392813a
12577642714
132c805590b
1418db833c4
15e2b0e27a
hex906f4d80

2423213440 has 32 divisors (see below), whose sum is σ = 5792996160. Its totient is φ = 969285120.

The previous prime is 2423213389. The next prime is 2423213459. The reversal of 2423213440 is 443123242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892496 + ... + 1893775.

It is an arithmetic number, because the mean of its divisors is an integer number (181031130).

Almost surely, 22423213440 is an apocalyptic number.

2423213440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2423213440 is an abundant number, since it is smaller than the sum of its proper divisors (3369782720).

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

2423213440 is an equidigital number, since it uses as much as digits as its factorization.

2423213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786290 (or 3786278 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2423213440 is about 49226.1458982927. The cubic root of 2423213440 is about 1343.1686799664.

Adding to 2423213440 its reverse (443123242), we get a palindrome (2866336682).

The spelling of 2423213440 in words is "two billion, four hundred twenty-three million, two hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 3786271 7572542 15145084 18931355 30290168 37862710 60580336 75725420 121160672 151450840 242321344 302901680 484642688 605803360 1211606720 2423213440