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740000747 = 2233318389
BaseRepresentation
bin101100000110111…
…000001111101011
31220120102221012002
4230012320033223
53003420010442
6201232441215
724223621403
oct5406701753
91816387162
10740000747
1134a790572
121879a920b
13ba406385
14703cb803
1544e74732
hex2c1b83eb

740000747 has 4 divisors (see below), whose sum is σ = 743319360. Its totient is φ = 736682136.

The previous prime is 740000741. The next prime is 740000761. The reversal of 740000747 is 747000047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747000047 = 4871533881.

It is a cyclic number.

It is not a de Polignac number, because 740000747 - 24 = 740000731 is a prime.

It is a super-2 number, since 2×7400007472 = 1095202211121116018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740000741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658972 + ... + 1659417.

It is an arithmetic number, because the mean of its divisors is an integer number (185829840).

Almost surely, 2740000747 is an apocalyptic number.

740000747 is a deficient number, since it is larger than the sum of its proper divisors (3318613).

740000747 is a wasteful number, since it uses less digits than its factorization.

740000747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318612.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 740000747 is about 27202.9547476005. The cubic root of 740000747 is about 904.5044740044.

The spelling of 740000747 in words is "seven hundred forty million, seven hundred forty-seven", and thus it is an aban number.

Divisors: 1 223 3318389 740000747