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740028087 = 321734611031
BaseRepresentation
bin101100000110111…
…110111010110111
31220120111022200200
4230012332322313
53003421344322
6201233211543
724224064201
oct5406767267
91816438620
10740028087
1134a7aa067
12187a00bb3
13ba415956
14703d7771
1544e7c8ac
hex2c1beeb7

740028087 has 24 divisors (see below), whose sum is σ = 1078485408. Its totient is φ = 488961600.

The previous prime is 740028067. The next prime is 740028089. The reversal of 740028087 is 780820047.

It is not a de Polignac number, because 740028087 - 210 = 740027063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740028089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717262 + ... + 718292.

It is an arithmetic number, because the mean of its divisors is an integer number (44936892).

Almost surely, 2740028087 is an apocalyptic number.

740028087 is a deficient number, since it is larger than the sum of its proper divisors (338457321).

740028087 is a wasteful number, since it uses less digits than its factorization.

740028087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 740028087 is about 27203.4572618996. The cubic root of 740028087 is about 904.5156131137.

The spelling of 740028087 in words is "seven hundred forty million, twenty-eight thousand, eighty-seven".

Divisors: 1 3 9 173 461 519 1031 1383 1557 3093 4149 9279 79753 178363 239259 475291 535089 717777 1425873 1605267 4277619 82225343 246676029 740028087