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230220054 = 23218170663
BaseRepresentation
bin11011011100011…
…10000100010110
3121001012101112200
431232032010112
5432414020204
634502225330
75463560331
oct1556160426
9531171480
10230220054
11108a53809
1265125246
13389084ac
142280b618
1515328539
hexdb8e116

230220054 has 24 divisors (see below), whose sum is σ = 501573072. Its totient is φ = 76314960.

The previous prime is 230220047. The next prime is 230220079. The reversal of 230220054 is 450022032.

230220054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32074 + ... + 38589.

It is an arithmetic number, because the mean of its divisors is an integer number (20898878).

Almost surely, 2230220054 is an apocalyptic number.

230220054 is an abundant number, since it is smaller than the sum of its proper divisors (271353018).

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

230220054 is a wasteful number, since it uses less digits than its factorization.

230220054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70852 (or 70849 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 230220054 is about 15173.0041191585. The cubic root of 230220054 is about 612.8879044427.

Adding to 230220054 its reverse (450022032), we get a palindrome (680242086).

The spelling of 230220054 in words is "two hundred thirty million, two hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 9 18 181 362 543 1086 1629 3258 70663 141326 211989 423978 635967 1271934 12790003 25580006 38370009 76740018 115110027 230220054