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230149406 = 2269427787
BaseRepresentation
bin11011011011111…
…00110100011110
3121001001210122002
431231330310132
5432404240111
634500522302
75463144344
oct1555746436
9531053562
10230149406
11108a05723
12650b0392
13388b22a6
14227cd994
151531263b
hexdb7cd1e

230149406 has 8 divisors (see below), whose sum is σ = 346508280. Its totient is φ = 114646648.

The previous prime is 230149399. The next prime is 230149421. The reversal of 230149406 is 604941032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213356 + ... + 214431.

It is an arithmetic number, because the mean of its divisors is an integer number (43313535).

Almost surely, 2230149406 is an apocalyptic number.

230149406 is a deficient number, since it is larger than the sum of its proper divisors (116358874).

230149406 is a wasteful number, since it uses less digits than its factorization.

230149406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428058.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 230149406 is about 15170.6758583789. The cubic root of 230149406 is about 612.8252053949.

The spelling of 230149406 in words is "two hundred thirty million, one hundred forty-nine thousand, four hundred six".

Divisors: 1 2 269 538 427787 855574 115074703 230149406