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1942904340 = 2233513276767
BaseRepresentation
bin111001111001110…
…0101111000010100
312000101220202201000
41303303211320110
512434340414330
6520443103300
766101262066
oct16363457024
95011822630
101942904340
1190779a873
12462811b30
1324c6a6350
14146075736
15b5885560
hex73ce5e14

1942904340 has 96 divisors (see below), whose sum is σ = 6509583360. Its totient is φ = 478251648.

The previous prime is 1942904321. The next prime is 1942904363. The reversal of 1942904340 is 434092491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1942904295 and 1942904304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131364 + ... + 145403.

It is an arithmetic number, because the mean of its divisors is an integer number (67808160).

Almost surely, 21942904340 is an apocalyptic number.

1942904340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942904340 is an abundant number, since it is smaller than the sum of its proper divisors (4566679020).

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

1942904340 is a wasteful number, since it uses less digits than its factorization.

1942904340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276798 (or 276790 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1942904340 is about 44078.3885821612. The cubic root of 1942904340 is about 1247.8157780961.

The spelling of 1942904340 in words is "one billion, nine hundred forty-two million, nine hundred four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 780 1170 1404 1755 2340 3510 7020 276767 553534 830301 1107068 1383835 1660602 2490903 2767670 3321204 3597971 4151505 4981806 5535340 7195942 7472709 8303010 9963612 10793913 12454515 14391884 14945418 16606020 17989855 21587826 24909030 29890836 32381739 35979710 37363545 43175652 49818060 53969565 64763478 71959420 74727090 97145217 107939130 129526956 149454180 161908695 194290434 215878260 323817390 388580868 485726085 647634780 971452170 1942904340