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230601453 = 376867151
BaseRepresentation
bin11011011111010…
…11001011101101
3121001220202201120
431233223023231
5433013221303
634514331153
75500036305
oct1557531355
9531822646
10230601453
11109194315
1265289ab9
1338a0cc84
14228aa605
15153a1553
hexdbeb2ed

230601453 has 4 divisors (see below), whose sum is σ = 307468608. Its totient is φ = 153734300.

The previous prime is 230601439. The next prime is 230601491. The reversal of 230601453 is 354106032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230601453 - 210 = 230600429 is a prime.

It is a super-2 number, since 2×2306014532 = 106354060251422418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230601433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38433573 + ... + 38433578.

It is an arithmetic number, because the mean of its divisors is an integer number (76867152).

Almost surely, 2230601453 is an apocalyptic number.

It is an amenable number.

230601453 is a deficient number, since it is larger than the sum of its proper divisors (76867155).

230601453 is an equidigital number, since it uses as much as digits as its factorization.

230601453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76867154.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 230601453 is about 15185.5672597371. The cubic root of 230601453 is about 613.2261690197.

Adding to 230601453 its reverse (354106032), we get a palindrome (584707485).

The spelling of 230601453 in words is "two hundred thirty million, six hundred one thousand, four hundred fifty-three".

Divisors: 1 3 76867151 230601453