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230451541 = 1720636571
BaseRepresentation
bin11011011110001…
…10100101010101
3121001122011002021
431233012211111
5432443422131
634511213141
75465543245
oct1557064525
9531564067
10230451541
111090a1721
12652171b1
1338989978
142286bb25
1515371e11
hexdbc6955

230451541 has 8 divisors (see below), whose sum is σ = 244162944. Its totient is φ = 216757440.

The previous prime is 230451539. The next prime is 230451563. The reversal of 230451541 is 145154032.

It is a happy number.

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 230451541 - 21 = 230451539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230451511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31786 + ... + 38356.

It is an arithmetic number, because the mean of its divisors is an integer number (30520368).

Almost surely, 2230451541 is an apocalyptic number.

It is an amenable number.

230451541 is a deficient number, since it is larger than the sum of its proper divisors (13711403).

230451541 is a wasteful number, since it uses less digits than its factorization.

230451541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 230451541 is about 15180.6304546287. The cubic root of 230451541 is about 613.0932558797.

The spelling of 230451541 in words is "two hundred thirty million, four hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 17 2063 6571 35071 111707 13555973 230451541