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1383013830 = 235114619091
BaseRepresentation
bin101001001101111…
…0001110111000110
310120101101101022110
41102123301313012
510313022420310
6345122441450
746162265202
oct12233616706
93511341273
101383013830
1164a747840
12327203286
131906b20a3
14d196db02
158163bd20
hex526f1dc6

1383013830 has 64 divisors (see below), whose sum is σ = 3629235456. Its totient is φ = 334512000.

The previous prime is 1383013823. The next prime is 1383013837. The reversal of 1383013830 is 383103831.

It is an interprime number because it is at equal distance from previous prime (1383013823) and next prime (1383013837).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383013837) 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 31 ways as a sum of consecutive naturals, for example, 147585 + ... + 156675.

It is an arithmetic number, because the mean of its divisors is an integer number (56706804).

Almost surely, 21383013830 is an apocalyptic number.

1383013830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383013830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814617728).

1383013830 is an abundant number, since it is smaller than the sum of its proper divisors (2246221626).

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

1383013830 is a wasteful number, since it uses less digits than its factorization.

1383013830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1383013830 is about 37188.8939066491. The cubic root of 1383013830 is about 1114.1461768306.

Subtracting from 1383013830 its reverse (383103831), we obtain a palindrome (999909999).

The spelling of 1383013830 in words is "one billion, three hundred eighty-three million, thirteen thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 461 922 1383 2305 2766 4610 5071 6915 9091 10142 13830 15213 18182 25355 27273 30426 45455 50710 54546 76065 90910 100001 136365 152130 200002 272730 300003 500005 600006 1000010 1500015 3000030 4190951 8381902 12572853 20954755 25145706 41909510 46100461 62864265 92200922 125728530 138301383 230502305 276602766 461004610 691506915 1383013830