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1494286380 = 223456411439
BaseRepresentation
bin101100100010001…
…0000000000101100
310212010202121120000
41121010100000230
511030014131010
6404135424300
752013140026
oct13104200054
93763677500
101494286380
116a7538524
12358525090
131aa771732
14102657016
158b2bb7c0
hex5911002c

1494286380 has 120 divisors (see below), whose sum is σ = 4698207360. Its totient is φ = 397578240.

The previous prime is 1494286361. The next prime is 1494286457. The reversal of 1494286380 is 836824941.

It is a happy number.

1494286380 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 2 + 8 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1037701 + ... + 1039139.

It is an arithmetic number, because the mean of its divisors is an integer number (39151728).

Almost surely, 21494286380 is an apocalyptic number.

1494286380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1494286380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2349103680).

1494286380 is an abundant number, since it is smaller than the sum of its proper divisors (3203920980).

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

1494286380 is a wasteful number, since it uses less digits than its factorization.

1494286380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1494286380 is about 38656.0005691225. Note that the first 3 decimals coincide. The cubic root of 1494286380 is about 1143.2589571778.

The spelling of 1494286380 in words is "one billion, four hundred ninety-four million, two hundred eighty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 641 810 1282 1439 1620 1923 2564 2878 3205 3846 4317 5756 5769 6410 7195 7692 8634 9615 11538 12820 12951 14390 17268 17307 19230 21585 23076 25902 28780 28845 34614 38460 38853 43170 51804 51921 57690 64755 69228 77706 86340 86535 103842 115380 116559 129510 155412 173070 194265 207684 233118 259020 259605 346140 388530 466236 519210 582795 777060 922399 1038420 1165590 1844798 2331180 2767197 3689596 4611995 5534394 8301591 9223990 11068788 13835985 16603182 18447980 24904773 27671970 33206364 41507955 49809546 55343940 74714319 83015910 99619092 124523865 149428638 166031820 249047730 298857276 373571595 498095460 747143190 1494286380