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230124155 = 5172707343
BaseRepresentation
bin11011011011101…
…10101001111011
3121001000111222212
431231312221323
5432402433110
634500205335
75463010622
oct1555665173
9531014885
10230124155
11108998758
126509984b
13388a3951
14227c46b9
1515309e05
hexdb76a7b

230124155 has 8 divisors (see below), whose sum is σ = 292393152. Its totient is φ = 173269888.

The previous prime is 230124119. The next prime is 230124199. The reversal of 230124155 is 551421032.

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

It is a cyclic number.

It is not a de Polignac number, because 230124155 - 28 = 230123899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230124155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353587 + ... + 1353756.

It is an arithmetic number, because the mean of its divisors is an integer number (36549144).

Almost surely, 2230124155 is an apocalyptic number.

230124155 is a deficient number, since it is larger than the sum of its proper divisors (62268997).

230124155 is a wasteful number, since it uses less digits than its factorization.

230124155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707365.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230124155 is about 15169.8436049947. The cubic root of 230124155 is about 612.8027923959.

Adding to 230124155 its reverse (551421032), we get a palindrome (781545187).

The spelling of 230124155 in words is "two hundred thirty million, one hundred twenty-four thousand, one hundred fifty-five".

Divisors: 1 5 17 85 2707343 13536715 46024831 230124155