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1240490927 = 1327340183
BaseRepresentation
bin100100111110000…
…0110001110101111
310012110012110122102
41021330012032233
510020031202202
6323032005315
742511666424
oct11174061657
93173173572
101240490927
11587252215
122a753083b
1316a000600
14baa6dd4b
1573d87d02
hex49f063af

1240490927 has 6 divisors (see below), whose sum is σ = 1343253672. Its totient is φ = 1145068392.

The previous prime is 1240490899. The next prime is 1240490929. The reversal of 1240490927 is 7290940421.

It is not a de Polignac number, because 1240490927 - 216 = 1240425391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240490929) 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 5 ways as a sum of consecutive naturals, for example, 3669923 + ... + 3670260.

It is an arithmetic number, because the mean of its divisors is an integer number (223875612).

Almost surely, 21240490927 is an apocalyptic number.

1240490927 is a deficient number, since it is larger than the sum of its proper divisors (102762745).

1240490927 is an equidigital number, since it uses as much as digits as its factorization.

1240490927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340209 (or 7340196 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1240490927 is about 35220.6037284996. The cubic root of 1240490927 is about 1074.4788321414.

The spelling of 1240490927 in words is "one billion, two hundred forty million, four hundred ninety thousand, nine hundred twenty-seven".

Divisors: 1 13 169 7340183 95422379 1240490927