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1941802940 = 2257111260911
BaseRepresentation
bin111001110111101…
…1000111110111100
312000022211210212102
41303233120332330
512434100143230
6520403324232
766056024030
oct16357307674
95008753772
101941802940
11907108320
12462380678
1324c3abc2c
14145c6a1c0
15b5719045
hex73bd8fbc

1941802940 has 48 divisors (see below), whose sum is σ = 5083997184. Its totient is φ = 605236800.

The previous prime is 1941802921. The next prime is 1941802997. The reversal of 1941802940 is 492081491.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1941802894 and 1941802903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628916 + ... + 631995.

It is an arithmetic number, because the mean of its divisors is an integer number (105916608).

Almost surely, 21941802940 is an apocalyptic number.

1941802940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1941802940 is an abundant number, since it is smaller than the sum of its proper divisors (3142194244).

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

1941802940 is a wasteful number, since it uses less digits than its factorization.

1941802940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260938 (or 1260936 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1941802940 is about 44065.8931601301. The cubic root of 1941802940 is about 1247.5799448903.

The spelling of 1941802940 in words is "one billion, nine hundred forty-one million, eight hundred two thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 1260911 2521822 5043644 6304555 8826377 12609110 13870021 17652754 25218220 27740042 35305508 44131885 55480084 69350105 88263770 97090147 138700210 176527540 194180294 277400420 388360588 485450735 970901470 1941802940