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740018742 = 23193639049
BaseRepresentation
bin101100000110111…
…100101000110110
31220120110211212120
4230012330220312
53003421044432
6201233100410
724224025021
oct5406745066
91816424776
10740018742
1134a7a3041
121879b7706
13ba411618
14703d41b8
1544e79c2c
hex2c1bca36

740018742 has 16 divisors (see below), whose sum is σ = 1487708400. Its totient is φ = 245394432.

The previous prime is 740018737. The next prime is 740018743. The reversal of 740018742 is 247810047.

740018742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7400187422 = 1095255477022525128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740018743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318367 + ... + 320682.

It is an arithmetic number, because the mean of its divisors is an integer number (92981775).

Almost surely, 2740018742 is an apocalyptic number.

740018742 is an abundant number, since it is smaller than the sum of its proper divisors (747689658).

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

740018742 is a wasteful number, since it uses less digits than its factorization.

740018742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639247.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 740018742 is about 27203.2855001009. The cubic root of 740018742 is about 904.5118057204.

Adding to 740018742 its reverse (247810047), we get a palindrome (987828789).

The spelling of 740018742 in words is "seven hundred forty million, eighteen thousand, seven hundred forty-two".

Divisors: 1 2 3 6 193 386 579 1158 639049 1278098 1917147 3834294 123336457 246672914 370009371 740018742