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230363505 = 32519269431
BaseRepresentation
bin11011011101100…
…01000101110001
3121001110200022200
431232301011301
5432433113010
634505253413
75465025501
oct1556610561
9531420280
10230363505
11109041569
1265194269
1338958888
1422847a01
1515355cc0
hexdbb1171

230363505 has 24 divisors (see below), whose sum is σ = 420313920. Its totient is φ = 116393760.

The previous prime is 230363473. The next prime is 230363509. The reversal of 230363505 is 505363032.

230363505 is a `hidden beast` number, since 2 + 303 + 6 + 350 + 5 = 666.

It is not a de Polignac number, because 230363505 - 25 = 230363473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230363509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133861 + ... + 135570.

It is an arithmetic number, because the mean of its divisors is an integer number (17513080).

Almost surely, 2230363505 is an apocalyptic number.

It is an amenable number.

230363505 is a deficient number, since it is larger than the sum of its proper divisors (189950415).

230363505 is a wasteful number, since it uses less digits than its factorization.

230363505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269461 (or 269458 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 230363505 is about 15177.7305615827. The cubic root of 230363505 is about 613.0151756145.

The spelling of 230363505 in words is "two hundred thirty million, three hundred sixty-three thousand, five hundred five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 269431 808293 1347155 2424879 4041465 5119189 12124395 15357567 25595945 46072701 76787835 230363505