Search a number
-
+
731472541 is a prime number
BaseRepresentation
bin101011100110010…
…110001010011101
31212222101122200121
4223212112022131
52444224110131
6200325554541
724061262002
oct5346261235
91788348617
10731472541
11345996168
12184b75a51
13b870b6b7
146d20b8a9
154433c911
hex2b99629d

731472541 has 2 divisors, whose sum is σ = 731472542. Its totient is φ = 731472540.

The previous prime is 731472523. The next prime is 731472569. The reversal of 731472541 is 145274137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583947225 + 147525316 = 24165^2 + 12146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-731472541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731472497 and 731472506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731472571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365736270 + 365736271.

It is an arithmetic number, because the mean of its divisors is an integer number (365736271).

Almost surely, 2731472541 is an apocalyptic number.

It is an amenable number.

731472541 is a deficient number, since it is larger than the sum of its proper divisors (1).

731472541 is an equidigital number, since it uses as much as digits as its factorization.

731472541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 731472541 is about 27045.7490375105. The cubic root of 731472541 is about 901.0163583919.

The spelling of 731472541 in words is "seven hundred thirty-one million, four hundred seventy-two thousand, five hundred forty-one".