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1940750292 = 2231316977331
BaseRepresentation
bin111001110101101…
…0111111111010100
312000020212022220110
41303223113333110
512433313002132
6520325003020
766044051055
oct16353277724
95006768813
101940750292
11906559468
12461b53470
1324c100a70
14145a7472c
15b55ac1cc
hex73ad7fd4

1940750292 has 48 divisors (see below), whose sum is σ = 4880296512. Its totient is φ = 596720640.

The previous prime is 1940750213. The next prime is 1940750297. The reversal of 1940750292 is 2920570491.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1940750292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940750297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261067 + ... + 268397.

It is an arithmetic number, because the mean of its divisors is an integer number (101672844).

Almost surely, 21940750292 is an apocalyptic number.

1940750292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1940750292 is an abundant number, since it is smaller than the sum of its proper divisors (2939546220).

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

1940750292 is a wasteful number, since it uses less digits than its factorization.

1940750292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9046 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1940750292 is about 44053.9475189228. The cubic root of 1940750292 is about 1247.3544671682.

The spelling of 1940750292 in words is "one billion, nine hundred forty million, seven hundred fifty thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1697 3394 5091 6788 7331 10182 14662 20364 21993 22061 29324 43986 44122 66183 87972 88244 95303 132366 190606 264732 285909 381212 571818 1143636 12440707 24881414 37322121 49762828 74644242 149288484 161729191 323458382 485187573 646916764 970375146 1940750292