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130221054 = 23317141853
BaseRepresentation
bin1111100001100…
…00001111111110
3100002000220201000
413300300033332
5231314033204
620531031130
73140601135
oct760601776
9302026630
10130221054
1167563007
123773b4a6
1320c952a2
141341a91c
15b674039
hex7c303fe

130221054 has 32 divisors (see below), whose sum is σ = 306404640. Its totient is φ = 40853376.

The previous prime is 130221001. The next prime is 130221097. The reversal of 130221054 is 450122031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70009 + ... + 71844.

It is an arithmetic number, because the mean of its divisors is an integer number (9575145).

Almost surely, 2130221054 is an apocalyptic number.

130221054 is an abundant number, since it is smaller than the sum of its proper divisors (176183586).

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

130221054 is a wasteful number, since it uses less digits than its factorization.

130221054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141881 (or 141875 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130221054 is about 11411.4439927645. The cubic root of 130221054 is about 506.8666712887.

Adding to 130221054 its reverse (450122031), we get a palindrome (580343085).

The spelling of 130221054 in words is "one hundred thirty million, two hundred twenty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 141853 283706 425559 851118 1276677 2411501 2553354 3830031 4823002 7234503 7660062 14469006 21703509 43407018 65110527 130221054