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320425037 is a prime number
BaseRepresentation
bin10011000110010…
…100110001001101
3211022221021111222
4103012110301031
51124012100122
651443453125
710640365532
oct2306246115
9738837458
10320425037
11154965089
128b3871a5
13514cc81a
14307acd89
151d1e5b42
hex13194c4d

320425037 has 2 divisors, whose sum is σ = 320425038. Its totient is φ = 320425036.

The previous prime is 320424977. The next prime is 320425051. The reversal of 320425037 is 730524023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316626436 + 3798601 = 17794^2 + 1949^2 .

It is an emirp because it is prime and its reverse (730524023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320425037 - 218 = 320162893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320424997 and 320425015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320425057) 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, 160212518 + 160212519.

It is an arithmetic number, because the mean of its divisors is an integer number (160212519).

Almost surely, 2320425037 is an apocalyptic number.

It is an amenable number.

320425037 is a deficient number, since it is larger than the sum of its proper divisors (1).

320425037 is an equidigital number, since it uses as much as digits as its factorization.

320425037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 320425037 is about 17900.4200230050. The cubic root of 320425037 is about 684.2930792931.

The spelling of 320425037 in words is "three hundred twenty million, four hundred twenty-five thousand, thirty-seven".