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1427435940 = 2235717199921
BaseRepresentation
bin101010100010100…
…1111000110100100
310200110222020222210
41111011033012210
510410410422230
6353350523420
750242001550
oct12505170644
93613866883
101427435940
11672828827
1233a066570
13199966668
14d7814860
15854b3eb0
hex5514f1a4

1427435940 has 96 divisors (see below), whose sum is σ = 4836513024. Its totient is φ = 307077120.

The previous prime is 1427435939. The next prime is 1427435953. The reversal of 1427435940 is 495347241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92821 + ... + 107100.

It is an arithmetic number, because the mean of its divisors is an integer number (50380344).

Almost surely, 21427435940 is an apocalyptic number.

1427435940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427435940 is an abundant number, since it is smaller than the sum of its proper divisors (3409077084).

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

1427435940 is a wasteful number, since it uses less digits than its factorization.

1427435940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199957 (or 199955 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1427435940 is about 37781.4232130024. The cubic root of 1427435940 is about 1125.9494049768.

The spelling of 1427435940 in words is "one billion, four hundred twenty-seven million, four hundred thirty-five thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 199921 399842 599763 799684 999605 1199526 1399447 1999210 2399052 2798894 2998815 3398657 3998420 4198341 5597788 5997630 6797314 6997235 8396682 10195971 11995260 13594628 13994470 16793364 16993285 20391942 20991705 23790599 27988940 33986570 40783884 41983410 47581198 50979855 67973140 71371797 83966820 95162396 101959710 118952995 142743594 203919420 237905990 285487188 356858985 475811980 713717970 1427435940