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1240702996 = 221323859673
BaseRepresentation
bin100100111110011…
…1010000000010100
310012110121020112211
41021330322000110
510020104443441
6323040323204
742513541621
oct11174720024
93173536484
101240702996
11587387585
122a7613504
1316a075cb0
14baac7348
1573dcaa81
hex49f3a014

1240702996 has 12 divisors (see below), whose sum is σ = 2338248052. Its totient is φ = 572632128.

The previous prime is 1240702943. The next prime is 1240702997. The reversal of 1240702996 is 6992070421.

It can be written as a sum of positive squares in 2 ways, for example, as 314352900 + 926350096 = 17730^2 + 30436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240702997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11929785 + ... + 11929888.

Almost surely, 21240702996 is an apocalyptic number.

It is an amenable number.

1240702996 is a deficient number, since it is larger than the sum of its proper divisors (1097545056).

1240702996 is a wasteful number, since it uses less digits than its factorization.

1240702996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859690 (or 23859688 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1240702996 is about 35223.6141813983. The cubic root of 1240702996 is about 1074.5400580810.

The spelling of 1240702996 in words is "one billion, two hundred forty million, seven hundred two thousand, nine hundred ninety-six".

Divisors: 1 2 4 13 26 52 23859673 47719346 95438692 310175749 620351498 1240702996