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230093660 = 22543126693
BaseRepresentation
bin11011011011011…
…11001101011100
3121000221222011102
431231233031130
5432400444120
634455412232
75462522666
oct1555571534
9530858142
10230093660
11108977855
1265084078
1338892ac4
14227b7536
1515300d75
hexdb6f35c

230093660 has 24 divisors (see below), whose sum is σ = 484335936. Its totient is φ = 91820480.

The previous prime is 230093653. The next prime is 230093663. The reversal of 230093660 is 66390032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230093663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4727 + ... + 21966.

It is an arithmetic number, because the mean of its divisors is an integer number (20180664).

Almost surely, 2230093660 is an apocalyptic number.

230093660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230093660 is an abundant number, since it is smaller than the sum of its proper divisors (254242276).

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

230093660 is a wasteful number, since it uses less digits than its factorization.

230093660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27133 (or 27131 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 230093660 is about 15168.8384525645. The cubic root of 230093660 is about 612.7757225928.

The spelling of 230093660 in words is "two hundred thirty million, ninety-three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 431 862 1724 2155 4310 8620 26693 53386 106772 133465 266930 533860 11504683 23009366 46018732 57523415 115046830 230093660