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1990714396 = 2211291560121
BaseRepresentation
bin111011010100111…
…1110010000011100
312010201212202202211
41312221332100130
513034110330041
6525311530204
7100221536026
oct16651762034
95121782684
101990714396
11931785210
12476829964
13259575a18
1414c55d016
15b9b7b481
hex76a7e41c

1990714396 has 24 divisors (see below), whose sum is σ = 3931507440. Its totient is φ = 873667200.

The previous prime is 1990714391. The next prime is 1990714471. The reversal of 1990714396 is 6934170991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990714391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 778785 + ... + 781336.

It is an arithmetic number, because the mean of its divisors is an integer number (163812810).

Almost surely, 21990714396 is an apocalyptic number.

It is an amenable number.

1990714396 is a deficient number, since it is larger than the sum of its proper divisors (1940793044).

1990714396 is a wasteful number, since it uses less digits than its factorization.

1990714396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560165 (or 1560163 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 1990714396 is about 44617.4225611476. The cubic root of 1990714396 is about 1257.9681698342.

The spelling of 1990714396 in words is "one billion, nine hundred ninety million, seven hundred fourteen thousand, three hundred ninety-six".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 1560121 3120242 6240484 17161331 34322662 45243509 68645324 90487018 180974036 497678599 995357198 1990714396