Search a number
-
+
72357343 is a prime number
BaseRepresentation
bin1000101000000…
…01010111011111
312001011010121121
410110001113133
5122010413333
611102511411
71536012232
oct424012737
9161133547
1072357343
1137931163
1220295567
1311cb57c6
149877419
15654432d
hex45015df

72357343 has 2 divisors, whose sum is σ = 72357344. Its totient is φ = 72357342.

The previous prime is 72357319. The next prime is 72357371. The reversal of 72357343 is 34375327.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72357343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72357299 and 72357308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72057343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36178671 + 36178672.

It is an arithmetic number, because the mean of its divisors is an integer number (36178672).

Almost surely, 272357343 is an apocalyptic number.

72357343 is a deficient number, since it is larger than the sum of its proper divisors (1).

72357343 is an equidigital number, since it uses as much as digits as its factorization.

72357343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 34.

The square root of 72357343 is about 8506.3119505459. The cubic root of 72357343 is about 416.7038730153.

The spelling of 72357343 in words is "seventy-two million, three hundred fifty-seven thousand, three hundred forty-three".