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230270506 = 21018831291
BaseRepresentation
bin11011011100110…
…10011000101010
3121001021221202021
431232122120222
5432422124011
634503255054
75464160404
oct1556323052
9531257667
10230270506
11108a88704
126514a48a
133892544b
1422821b74
1515338471
hexdb9a62a

230270506 has 16 divisors (see below), whose sum is σ = 349491168. Its totient is φ = 113778000.

The previous prime is 230270497. The next prime is 230270507. The reversal of 230270506 is 605072032.

It is not an unprimeable number, because it can be changed into a prime (230270507) 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, 177721 + ... + 179011.

It is an arithmetic number, because the mean of its divisors is an integer number (21843198).

Almost surely, 2230270506 is an apocalyptic number.

230270506 is a deficient number, since it is larger than the sum of its proper divisors (119220662).

230270506 is a wasteful number, since it uses less digits than its factorization.

230270506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 230270506 is about 15174.6665861231. Note that the first 3 decimals coincide. The cubic root of 230270506 is about 612.9326719909.

The spelling of 230270506 in words is "two hundred thirty million, two hundred seventy thousand, five hundred six".

Divisors: 1 2 101 202 883 1291 1766 2582 89183 130391 178366 260782 1139953 2279906 115135253 230270506