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230005154 = 2991116047
BaseRepresentation
bin11011011010110…
…01100110100010
3121000210110202102
431231121212202
5432340131104
634453450402
75462003651
oct1555314642
9530713672
10230005154
11108917305
1265040a02
1338861732
1422793198
15152d4a1e
hexdb599a2

230005154 has 8 divisors (see below), whose sum is σ = 345358848. Its totient is φ = 114885540.

The previous prime is 230005147. The next prime is 230005159. The reversal of 230005154 is 451500032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (230005159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56042 + ... + 60005.

It is an arithmetic number, because the mean of its divisors is an integer number (43169856).

Almost surely, 2230005154 is an apocalyptic number.

230005154 is a deficient number, since it is larger than the sum of its proper divisors (115353694).

230005154 is a wasteful number, since it uses less digits than its factorization.

230005154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117040.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 230005154 is about 15165.9208094992. The cubic root of 230005154 is about 612.6971440357.

Adding to 230005154 its reverse (451500032), we get a palindrome (681505186).

The spelling of 230005154 in words is "two hundred thirty million, five thousand, one hundred fifty-four".

Divisors: 1 2 991 1982 116047 232094 115002577 230005154