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230261151 = 380879491
BaseRepresentation
bin11011011100110…
…00000110011111
3121001021110220210
431232120012133
5432421324101
634503143503
75464121211
oct1556300637
9531243823
10230261151
11108a8167a
1265144b93
1338921103
142281c5b1
15153357d6
hexdb9819f

230261151 has 8 divisors (see below), whose sum is σ = 307085184. Its totient is φ = 153472280.

The previous prime is 230261147. The next prime is 230261167. The reversal of 230261151 is 151162032.

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 230261151 - 22 = 230261147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230261051) 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, 19516 + ... + 29006.

It is an arithmetic number, because the mean of its divisors is an integer number (38385648).

Almost surely, 2230261151 is an apocalyptic number.

230261151 is a deficient number, since it is larger than the sum of its proper divisors (76824033).

230261151 is an equidigital number, since it uses as much as digits as its factorization.

230261151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17581.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 230261151 is about 15174.3583389875. The cubic root of 230261151 is about 612.9243715172.

The spelling of 230261151 in words is "two hundred thirty million, two hundred sixty-one thousand, one hundred fifty-one".

Divisors: 1 3 8087 9491 24261 28473 76753717 230261151