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740144140 = 225231609009
BaseRepresentation
bin101100000111011…
…011010000001100
31220120201012212221
4230013123100030
53003434103030
6201235505124
724225056431
oct5407332014
91816635787
10740144140
1134a87927a
12187a581a4
13ba456718
1470427b88
1544ea1e7a
hex2c1db40c

740144140 has 24 divisors (see below), whose sum is σ = 1621882080. Its totient is φ = 283185408.

The previous prime is 740144131. The next prime is 740144143. The reversal of 740144140 is 41441047.

It is not an unprimeable number, because it can be changed into a prime (740144143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 804045 + ... + 804964.

It is an arithmetic number, because the mean of its divisors is an integer number (67578420).

Almost surely, 2740144140 is an apocalyptic number.

It is an amenable number.

740144140 is an abundant number, since it is smaller than the sum of its proper divisors (881737940).

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

740144140 is a wasteful number, since it uses less digits than its factorization.

740144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609041 (or 1609039 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 740144140 is about 27205.5902343618. The cubic root of 740144140 is about 904.5628934199.

Adding to 740144140 its reverse (41441047), we get a palindrome (781585187).

The spelling of 740144140 in words is "seven hundred forty million, one hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1609009 3218018 6436036 8045045 16090090 32180180 37007207 74014414 148028828 185036035 370072070 740144140