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1240730227 = 11176634921
BaseRepresentation
bin100100111110100…
…0000101001110011
310012110122121220101
41021331000221303
510020111331402
6323041053231
742514014202
oct11175005163
93173577811
101240730227
115873a5a90
122a7627217
1316a0854c9
14baad3239
1573dd3b87
hex49f40a73

1240730227 has 8 divisors (see below), whose sum is σ = 1433143152. Its totient is φ = 1061587200.

The previous prime is 1240730219. The next prime is 1240730237. The reversal of 1240730227 is 7220370421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240730227 - 23 = 1240730219 is a prime.

It is a super-2 number, since 2×12407302272 = 3078822992382943058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240730195 and 1240730204.

It is not an unprimeable number, because it can be changed into a prime (1240730237) 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, 3317274 + ... + 3317647.

It is an arithmetic number, because the mean of its divisors is an integer number (179142894).

Almost surely, 21240730227 is an apocalyptic number.

1240730227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1240730227 is a deficient number, since it is larger than the sum of its proper divisors (192412925).

1240730227 is a wasteful number, since it uses less digits than its factorization.

1240730227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634949.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 1240730227 is about 35224.0007239382. Note that the first 3 decimals coincide. The cubic root of 1240730227 is about 1074.5479193732.

The spelling of 1240730227 in words is "one billion, two hundred forty million, seven hundred thirty thousand, two hundred twenty-seven".

Divisors: 1 11 17 187 6634921 72984131 112793657 1240730227