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1013224340 = 22550661217
BaseRepresentation
bin111100011001001…
…001001110010100
32121121120010111102
4330121021032110
54033341134330
6244312525232
734052156552
oct7431111624
92547503442
101013224340
1147aa36497
122433b0818
13131bba53b
14987d0bd2
155de44945
hex3c649394

1013224340 has 12 divisors (see below), whose sum is σ = 2127771156. Its totient is φ = 405289728.

The previous prime is 1013224339. The next prime is 1013224357. The reversal of 1013224340 is 434223101.

It can be written as a sum of positive squares in 2 ways, for example, as 238270096 + 774954244 = 15436^2 + 27838^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 50661217 = 1013224340 / (1 + 0 + 1 + 3 + 2 + 2 + 4 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25330589 + ... + 25330628.

It is an arithmetic number, because the mean of its divisors is an integer number (177314263).

Almost surely, 21013224340 is an apocalyptic number.

1013224340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013224340 is an abundant number, since it is smaller than the sum of its proper divisors (1114546816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013224340 is a wasteful number, since it uses less digits than its factorization.

1013224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50661226 (or 50661224 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1013224340 is about 31831.1850234954. The cubic root of 1013224340 is about 1004.3888233838.

Adding to 1013224340 its reverse (434223101), we get a palindrome (1447447441).

The spelling of 1013224340 in words is "one billion, thirteen million, two hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 50661217 101322434 202644868 253306085 506612170 1013224340