Search a number
-
+
72492341 is a prime number
BaseRepresentation
bin1000101001000…
…10010100110101
312001101222210112
410110202110311
5122024223331
611105432405
71540113635
oct424422465
9161358715
1072492341
1137a13629
122033b705
131203209c
1498b06c5
15656e32b
hex4522535

72492341 has 2 divisors, whose sum is σ = 72492342. Its totient is φ = 72492340.

The previous prime is 72492323. The next prime is 72492347. The reversal of 72492341 is 14329427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 19624900 = 7271^2 + 4430^2 .

It is a cyclic number.

It is not a de Polignac number, because 72492341 - 214 = 72475957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72492298 and 72492307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72492347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36246170 + 36246171.

It is an arithmetic number, because the mean of its divisors is an integer number (36246171).

Almost surely, 272492341 is an apocalyptic number.

It is an amenable number.

72492341 is a deficient number, since it is larger than the sum of its proper divisors (1).

72492341 is an equidigital number, since it uses as much as digits as its factorization.

72492341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 72492341 is about 8514.2434191183. The cubic root of 72492341 is about 416.9628618920.

The spelling of 72492341 in words is "seventy-two million, four hundred ninety-two thousand, three hundred forty-one".