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1912343952 = 243191208589
BaseRepresentation
bin111000111111100…
…0000110110010000
311221021102010201210
41301333000312100
512404030001302
6513432100120
765250440541
oct16177006620
94837363653
101912343952
118a1517352
12454534640
1324626628c
14141d9c4c8
15b2d4a66c
hex71fc0d90

1912343952 has 40 divisors (see below), whose sum is σ = 4966110720. Its totient is φ = 634107520.

The previous prime is 1912343929. The next prime is 1912343959. The reversal of 1912343952 is 2593432191.

It is a self number, because there is not a number n which added to its sum of digits gives 1912343952.

It is not an unprimeable number, because it can be changed into a prime (1912343959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95127 + ... + 113462.

It is an arithmetic number, because the mean of its divisors is an integer number (124152768).

Almost surely, 21912343952 is an apocalyptic number.

1912343952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1912343952 is an abundant number, since it is smaller than the sum of its proper divisors (3053766768).

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

1912343952 is a wasteful number, since it uses less digits than its factorization.

1912343952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208791 (or 208785 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 1912343952 is about 43730.3550408638. The cubic root of 1912343952 is about 1241.2387793710.

The spelling of 1912343952 in words is "one billion, nine hundred twelve million, three hundred forty-three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 191 382 573 764 1146 1528 2292 3056 4584 9168 208589 417178 625767 834356 1251534 1668712 2503068 3337424 5006136 10012272 39840499 79680998 119521497 159361996 239042994 318723992 478085988 637447984 956171976 1912343952