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73132123 = 361720219
BaseRepresentation
bin1000101101111…
…10100001011011
312002121111102011
410112332201123
5122210211443
611131250351
71545420121
oct426764133
9162544364
1073132123
1138310279
12205a99b7
13121c735c
1499d9911
156648b9d
hex45be85b

73132123 has 4 divisors (see below), whose sum is σ = 73155960. Its totient is φ = 73108288.

The previous prime is 73132109. The next prime is 73132127. The reversal of 73132123 is 32123137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123137 = 47683471.

It is a cyclic number.

It is not a de Polignac number, because 73132123 - 213 = 73123931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73132094 and 73132103.

It is not an unprimeable number, because it can be changed into a prime (73132127) 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, 6493 + ... + 13726.

It is an arithmetic number, because the mean of its divisors is an integer number (18288990).

Almost surely, 273132123 is an apocalyptic number.

73132123 is a deficient number, since it is larger than the sum of its proper divisors (23837).

73132123 is a wasteful number, since it uses less digits than its factorization.

73132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23836.

The product of its digits is 756, while the sum is 22.

The square root of 73132123 is about 8551.7321637198. The cubic root of 73132123 is about 418.1859077807.

The spelling of 73132123 in words is "seventy-three million, one hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 3617 20219 73132123