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230075753 = 1240118553
BaseRepresentation
bin11011011011010…
…10110101101001
3121000221001121012
431231222311221
5432344411003
634455153305
75462416535
oct1555526551
9530831535
10230075753
11108965356
1265075835
13388878cb
14227b0bc5
15152ea8d8
hexdb6ad69

230075753 has 4 divisors (see below), whose sum is σ = 230106708. Its totient is φ = 230044800.

The previous prime is 230075749. The next prime is 230075759. The reversal of 230075753 is 357570032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 184742464 = 6733^2 + 13592^2 .

It is a cyclic number.

It is not a de Polignac number, because 230075753 - 22 = 230075749 is a prime.

It is a super-3 number, since 3×2300757533 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230075759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125 + ... + 21677.

It is an arithmetic number, because the mean of its divisors is an integer number (57526677).

Almost surely, 2230075753 is an apocalyptic number.

It is an amenable number.

230075753 is a deficient number, since it is larger than the sum of its proper divisors (30955).

230075753 is a wasteful number, since it uses less digits than its factorization.

230075753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 230075753 is about 15168.2481849421. The cubic root of 230075753 is about 612.7598257916.

The spelling of 230075753 in words is "two hundred thirty million, seventy-five thousand, seven hundred fifty-three".

Divisors: 1 12401 18553 230075753