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230729501 is a prime number
BaseRepresentation
bin11011100000010…
…10011100011101
3121002011021101002
431300022130131
5433031321001
634521200045
75501111522
oct1560123435
9532137332
10230729501
11109271542
1265330025
1338a56342
1422901149
15153c946b
hexdc0a71d

230729501 has 2 divisors, whose sum is σ = 230729502. Its totient is φ = 230729500.

The previous prime is 230729479. The next prime is 230729561. The reversal of 230729501 is 105927032.

230729501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216060601 + 14668900 = 14699^2 + 3830^2 .

It is a cyclic number.

It is not a de Polignac number, because 230729501 - 26 = 230729437 is a prime.

It is a super-2 number, since 2×2307295012 = 106472205263418002, which contains 22 as substring.

It is a Chen prime.

It is equal to p12680507 and since 230729501 and 12680507 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230729561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115364750 + 115364751.

It is an arithmetic number, because the mean of its divisors is an integer number (115364751).

Almost surely, 2230729501 is an apocalyptic number.

It is an amenable number.

230729501 is a deficient number, since it is larger than the sum of its proper divisors (1).

230729501 is an equidigital number, since it uses as much as digits as its factorization.

230729501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 230729501 is about 15189.7827831737. The cubic root of 230729501 is about 613.3396517609.

The spelling of 230729501 in words is "two hundred thirty million, seven hundred twenty-nine thousand, five hundred one".