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72300093 = 324100031
BaseRepresentation
bin1000100111100…
…11011000111101
312001001020002020
410103303120331
5122002100333
611101350353
71535353305
oct423633075
9161036066
1072300093
11378a2148
12202683b9
1311c95728
149860605
1565323b3
hex44f363d

72300093 has 4 divisors (see below), whose sum is σ = 96400128. Its totient is φ = 48200060.

The previous prime is 72300077. The next prime is 72300113. The reversal of 72300093 is 39000327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72300093 - 24 = 72300077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72300023) 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, 12050013 + ... + 12050018.

It is an arithmetic number, because the mean of its divisors is an integer number (24100032).

Almost surely, 272300093 is an apocalyptic number.

It is an amenable number.

72300093 is a deficient number, since it is larger than the sum of its proper divisors (24100035).

72300093 is a wasteful number, since it uses less digits than its factorization.

72300093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100034.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 72300093 is about 8502.9461364870. The cubic root of 72300093 is about 416.5939436458.

The spelling of 72300093 in words is "seventy-two million, three hundred thousand, ninety-three".

Divisors: 1 3 24100031 72300093