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742025740 = 2251072691289
BaseRepresentation
bin101100001110100…
…110101000001100
31220201020210221211
4230032212220030
53004424310430
6201344104204
724250054231
oct5416465014
91821223854
10742025740
11350943a15
12188605064
13ba964cb1
1470797788
154522472a
hex2c3a6a0c

742025740 has 48 divisors (see below), whose sum is σ = 1579888800. Its totient is φ = 292716032.

The previous prime is 742025731. The next prime is 742025743. The reversal of 742025740 is 47520247.

It is not an unprimeable number, because it can be changed into a prime (742025743) 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 15 ways as a sum of consecutive naturals, for example, 575016 + ... + 576304.

It is an arithmetic number, because the mean of its divisors is an integer number (32914350).

Almost surely, 2742025740 is an apocalyptic number.

It is an amenable number.

742025740 is an abundant number, since it is smaller than the sum of its proper divisors (837863060).

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

742025740 is a wasteful number, since it uses less digits than its factorization.

742025740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 742025740 is about 27240.1494122187. The cubic root of 742025740 is about 905.3287736412.

Adding to 742025740 its reverse (47520247), we get a palindrome (789545987).

The spelling of 742025740 in words is "seven hundred forty-two million, twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 107 214 269 428 535 538 1070 1076 1289 1345 2140 2578 2690 5156 5380 6445 12890 25780 28783 57566 115132 137923 143915 275846 287830 346741 551692 575660 689615 693482 1379230 1386964 1733705 2758460 3467410 6934820 37101287 74202574 148405148 185506435 371012870 742025740