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230053908 = 22374758271
BaseRepresentation
bin11011011011001…
…01100000010100
3121000212221122010
431231211200110
5432343211113
634454504220
75462266050
oct1555454024
9530787563
10230053908
1110894a9a7
1265065070
133887a996
14227a6c60
15152e41c3
hexdb65814

230053908 has 48 divisors (see below), whose sum is σ = 626540544. Its totient is φ = 64330080.

The previous prime is 230053903. The next prime is 230053909. The reversal of 230053908 is 809350032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230053903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25188 + ... + 33083.

It is an arithmetic number, because the mean of its divisors is an integer number (13052928).

Almost surely, 2230053908 is an apocalyptic number.

230053908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230053908 is an abundant number, since it is smaller than the sum of its proper divisors (396486636).

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

230053908 is a wasteful number, since it uses less digits than its factorization.

230053908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58332 (or 58330 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 230053908 is about 15167.5280781016. The cubic root of 230053908 is about 612.7404319443.

The spelling of 230053908 in words is "two hundred thirty million, fifty-three thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 58271 116542 174813 233084 349626 407897 699252 815794 1223691 1631588 2447382 2738737 4894764 5477474 8216211 10954948 16432422 19171159 32864844 38342318 57513477 76684636 115026954 230053908