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230445054 = 2337797717
BaseRepresentation
bin11011011110001…
…00111111111110
3121001121211012000
431233010333332
5432443220204
634511123130
75465515320
oct1557047776
9531554160
10230445054
11109097864
12652134a6
1338986a28
1422869610
1515370039
hexdbc4ffe

230445054 has 64 divisors (see below), whose sum is σ = 592742400. Its totient is φ = 64999584.

The previous prime is 230445031. The next prime is 230445067. The reversal of 230445054 is 450544032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 26004 + ... + 33720.

It is an arithmetic number, because the mean of its divisors is an integer number (9261600).

Almost surely, 2230445054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230445054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296371200).

230445054 is an abundant number, since it is smaller than the sum of its proper divisors (362297346).

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

230445054 is a wasteful number, since it uses less digits than its factorization.

230445054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814 (or 7808 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 230445054 is about 15180.4167926971. The cubic root of 230445054 is about 613.0875031544.

Adding to 230445054 its reverse (450544032), we get a palindrome (680989086).

The spelling of 230445054 in words is "two hundred thirty million, four hundred forty-five thousand, fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 79 126 158 189 237 378 474 553 711 1106 1422 1659 2133 3318 4266 4977 7717 9954 14931 15434 23151 29862 46302 54019 69453 108038 138906 162057 208359 324114 416718 486171 609643 972342 1219286 1458513 1828929 2917026 3657858 4267501 5486787 8535002 10973574 12802503 16460361 25605006 32920722 38407509 76815018 115222527 230445054