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230107555 = 561754451
BaseRepresentation
bin11011011011100…
…10100110100011
3121000222200020001
431231302212203
5432401420210
634500000431
75462611336
oct1555624643
9530880201
10230107555
11108987237
1265090117
1338899222
14227bc61d
151530503a
hexdb729a3

230107555 has 8 divisors (see below), whose sum is σ = 280656144. Its totient is φ = 181068000.

The previous prime is 230107469. The next prime is 230107567. The reversal of 230107555 is 555701032.

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

It is a de Polignac number, because none of the positive numbers 2k-230107555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376921 + ... + 377530.

It is an arithmetic number, because the mean of its divisors is an integer number (35082018).

Almost surely, 2230107555 is an apocalyptic number.

230107555 is a deficient number, since it is larger than the sum of its proper divisors (50548589).

230107555 is an equidigital number, since it uses as much as digits as its factorization.

230107555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754517.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 230107555 is about 15169.2964569884. The cubic root of 230107555 is about 612.7880572037.

Adding to 230107555 its reverse (555701032), we get a palindrome (785808587).

The spelling of 230107555 in words is "two hundred thirty million, one hundred seven thousand, five hundred fifty-five".

Divisors: 1 5 61 305 754451 3772255 46021511 230107555