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740220768 = 253771511
BaseRepresentation
bin101100000111101…
…101111101100000
31220120212010000000
4230013231331200
53003444031033
6201241300000
724225526020
oct5407557540
91816763000
10740220768
1134a920901
12187a94600
13ba482571
1470447a80
1544eb9a13
hex2c1edf60

740220768 has 192 divisors, whose sum is σ = 2499517440. Its totient is φ = 211351680.

The previous prime is 740220763. The next prime is 740220773. The reversal of 740220768 is 867022047.

It is an interprime number because it is at equal distance from previous prime (740220763) and next prime (740220773).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740220763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489133 + ... + 490643.

It is an arithmetic number, because the mean of its divisors is an integer number (13018320).

Almost surely, 2740220768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740220768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249758720).

740220768 is an abundant number, since it is smaller than the sum of its proper divisors (1759296672).

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

740220768 is an equidigital number, since it uses as much as digits as its factorization.

740220768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 740220768 is about 27206.9985114125. The cubic root of 740220768 is about 904.5941091655.

The spelling of 740220768 in words is "seven hundred forty million, two hundred twenty thousand, seven hundred sixty-eight".