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2444420142 = 232135801119
BaseRepresentation
bin1001000110110010…
…1110010000101110
320022100121102001100
42101230232100232
520001232421032
61042320223530
7114401141223
oct22154562056
96270542040
102444420142
1110448a203a
1258276aba6
132cc56c368
1419290394a
15e48ec97c
hex91b2e42e

2444420142 has 12 divisors (see below), whose sum is σ = 5296243680. Its totient is φ = 814806708.

The previous prime is 2444420131. The next prime is 2444420177. The reversal of 2444420142 is 2410244442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67900542 + ... + 67900577.

It is an arithmetic number, because the mean of its divisors is an integer number (441353640).

Almost surely, 22444420142 is an apocalyptic number.

2444420142 is an abundant number, since it is smaller than the sum of its proper divisors (2851823538).

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

2444420142 is a wasteful number, since it uses less digits than its factorization.

2444420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135801127 (or 135801124 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 2444420142 is about 49441.0774761230. The cubic root of 2444420142 is about 1347.0755426769.

Adding to 2444420142 its reverse (2410244442), we get a palindrome (4854664584).

The spelling of 2444420142 in words is "two billion, four hundred forty-four million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 135801119 271602238 407403357 814806714 1222210071 2444420142