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1457423660 = 2257211135197
BaseRepresentation
bin101011011011110…
…1000010100101100
310202120101210102002
41112313220110230
510441100024120
6400341351432
751054616400
oct12667502454
93676353362
101457423660
1168874aa70
12348108578
131a2c35b84
14db7bd100
1587e39375
hex56de852c

1457423660 has 72 divisors (see below), whose sum is σ = 3883968144. Its totient is φ = 454258560.

The previous prime is 1457423659. The next prime is 1457423699. The reversal of 1457423660 is 663247541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56819 + ... + 78378.

It is an arithmetic number, because the mean of its divisors is an integer number (53944002).

Almost surely, 21457423660 is an apocalyptic number.

1457423660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457423660 is an abundant number, since it is smaller than the sum of its proper divisors (2426544484).

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

1457423660 is a wasteful number, since it uses less digits than its factorization.

1457423660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135231 (or 135222 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 1457423660 is about 38176.2185136244. The cubic root of 1457423660 is about 1133.7795130949.

The spelling of 1457423660 in words is "one billion, four hundred fifty-seven million, four hundred twenty-three thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 385 490 539 770 980 1078 1540 2156 2695 5390 10780 135197 270394 540788 675985 946379 1351970 1487167 1892758 2703940 2974334 3785516 4731895 5948668 6624653 7435835 9463790 10410169 13249306 14871670 18927580 20820338 26498612 29743340 33123265 41640676 52050845 66246530 72871183 104101690 132493060 145742366 208203380 291484732 364355915 728711830 1457423660