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1011424231 = 1759495543
BaseRepresentation
bin111100010010010…
…001101111100111
32121111011200012201
4330102101233213
54032411033411
6244210155331
734030651456
oct7422215747
92544150181
101011424231
11479a16aa4
12242882b47
1313170a09c
1498482b9d
155dbdb3c1
hex3c491be7

1011424231 has 4 divisors (see below), whose sum is σ = 1070919792. Its totient is φ = 951928672.

The previous prime is 1011424217. The next prime is 1011424237. The reversal of 1011424231 is 1324241101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324241101 = 7561175141.

It is a cyclic number.

It is not a de Polignac number, because 1011424231 - 223 = 1003035623 is a prime.

It is a super-2 number, since 2×10114242312 = 2045957950107882722, 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 = 1011424199 and 1011424208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011424237) 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 3 ways as a sum of consecutive naturals, for example, 29747755 + ... + 29747788.

It is an arithmetic number, because the mean of its divisors is an integer number (267729948).

Almost surely, 21011424231 is an apocalyptic number.

1011424231 is a deficient number, since it is larger than the sum of its proper divisors (59495561).

1011424231 is an equidigital number, since it uses as much as digits as its factorization.

1011424231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59495560.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1011424231 is about 31802.8965819153. The cubic root of 1011424231 is about 1003.7936668921.

Adding to 1011424231 its reverse (1324241101), we get a palindrome (2335665332).

The spelling of 1011424231 in words is "one billion, eleven million, four hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 17 59495543 1011424231