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230267845 = 5311485599
BaseRepresentation
bin11011011100110…
…01101111000101
3121001021211002201
431232121233011
5432422032340
634503234501
75464146553
oct1556315705
9531254081
10230267845
11108a86705
1265148a31
1338924182
1422820bd3
151533779a
hexdb99bc5

230267845 has 8 divisors (see below), whose sum is σ = 285235200. Its totient is φ = 178271760.

The previous prime is 230267833. The next prime is 230267879. The reversal of 230267845 is 548762032.

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

It is not a de Polignac number, because 230267845 - 211 = 230265797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742645 + ... + 742954.

It is an arithmetic number, because the mean of its divisors is an integer number (35654400).

Almost surely, 2230267845 is an apocalyptic number.

It is an amenable number.

230267845 is a deficient number, since it is larger than the sum of its proper divisors (54967355).

230267845 is a wasteful number, since it uses less digits than its factorization.

230267845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485635.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 230267845 is about 15174.5789068429. The cubic root of 230267845 is about 612.9303109704.

The spelling of 230267845 in words is "two hundred thirty million, two hundred sixty-seven thousand, eight hundred forty-five".

Divisors: 1 5 31 155 1485599 7427995 46053569 230267845