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1622144130 = 235317922079
BaseRepresentation
bin110000010101111…
…1111010010000010
311012001100110102020
41200223333102002
511310232103010
6424544102310
755124666115
oct14053772202
94161313366
101622144130
11762726992
12393304996
131cb0ba0c9
1411561a57c
1597625470
hex60aff482

1622144130 has 64 divisors (see below), whose sum is σ = 4069785600. Its totient is φ = 413300160.

The previous prime is 1622144123. The next prime is 1622144141. The reversal of 1622144130 is 314412261.

It is a self number, because there is not a number n which added to its sum of digits gives 1622144130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62431 + ... + 84509.

It is an arithmetic number, because the mean of its divisors is an integer number (63590400).

Almost surely, 21622144130 is an apocalyptic number.

1622144130 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 1622144130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034892800).

1622144130 is an abundant number, since it is smaller than the sum of its proper divisors (2447641470).

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

1622144130 is a wasteful number, since it uses less digits than its factorization.

1622144130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1622144130 is about 40275.8504565701. The cubic root of 1622144130 is about 1174.9782111547.

Adding to 1622144130 its reverse (314412261), we get a palindrome (1936556391).

The spelling of 1622144130 in words is "one billion, six hundred twenty-two million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 79 93 155 158 186 237 310 395 465 474 790 930 1185 2370 2449 4898 7347 12245 14694 22079 24490 36735 44158 66237 73470 110395 132474 220790 331185 662370 684449 1368898 1744241 2053347 3422245 3488482 4106694 5232723 6844490 8721205 10266735 10465446 17442410 20533470 26163615 52327230 54071471 108142942 162214413 270357355 324428826 540714710 811072065 1622144130