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1940312908 = 221924331249
BaseRepresentation
bin111001110100110…
…1101001101001100
312000020001002221001
41303221231031030
512433210003113
6520311350044
766040246642
oct16351551514
95006032831
101940312908
1190628a896
12461982324
1324bca9961
1414599d192
15b55227dd
hex73a6d34c

1940312908 has 36 divisors (see below), whose sum is σ = 3667125000. Its totient is φ = 897692544.

The previous prime is 1940312903. The next prime is 1940312911. The reversal of 1940312908 is 8092130491.

It is not an unprimeable number, because it can be changed into a prime (1940312903) 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 11 ways as a sum of consecutive naturals, for example, 46468 + ... + 77716.

Almost surely, 21940312908 is an apocalyptic number.

It is an amenable number.

1940312908 is a deficient number, since it is larger than the sum of its proper divisors (1726812092).

1940312908 is a wasteful number, since it uses less digits than its factorization.

1940312908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31334 (or 31313 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1940312908 is about 44048.9830529605. The cubic root of 1940312908 is about 1247.2607553224.

The spelling of 1940312908 in words is "one billion, nine hundred forty million, three hundred twelve thousand, nine hundred eight".

Divisors: 1 2 4 19 38 43 76 86 172 361 722 817 1444 1634 3268 15523 31046 31249 62092 62498 124996 593731 1187462 1343707 2374924 2687414 5374828 11280889 22561778 25530433 45123556 51060866 102121732 485078227 970156454 1940312908