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1996915192 = 231671494697
BaseRepresentation
bin111011100000110…
…1000000111111000
312011011112210122221
41313001220013320
513042202241232
6530052453424
7100325333116
oct16701500770
95134483587
101996915192
1193522aa38
1247891a274
1325a93722c
1414d2d4ab6
15ba4a3897
hex770681f8

1996915192 has 16 divisors (see below), whose sum is σ = 3766638960. Its totient is φ = 992478144.

The previous prime is 1996915171. The next prime is 1996915199. The reversal of 1996915192 is 2915196991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996915199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746013 + ... + 748684.

It is an arithmetic number, because the mean of its divisors is an integer number (235414935).

Almost surely, 21996915192 is an apocalyptic number.

It is an amenable number.

1996915192 is a deficient number, since it is larger than the sum of its proper divisors (1769723768).

1996915192 is a wasteful number, since it uses less digits than its factorization.

1996915192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494870 (or 1494866 counting only the distinct ones).

The product of its digits is 393660, while the sum is 52.

The square root of 1996915192 is about 44686.8570387312. The cubic root of 1996915192 is about 1259.2729474796.

The spelling of 1996915192 in words is "one billion, nine hundred ninety-six million, nine hundred fifteen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 167 334 668 1336 1494697 2989394 5978788 11957576 249614399 499228798 998457596 1996915192