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690382073 is a prime number
BaseRepresentation
bin101001001001100…
…110010011111001
31210010002001011102
4221021212103321
52403214211243
6152301141145
723052102503
oct5111462371
91703061142
10690382073
113247802a7
1217325a7b5
13b0052704
1467992d73
15409229b8
hex292664f9

690382073 has 2 divisors, whose sum is σ = 690382074. Its totient is φ = 690382072.

The previous prime is 690382031. The next prime is 690382093. The reversal of 690382073 is 370283096.

690382073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620358649 + 70023424 = 24907^2 + 8368^2 .

It is a cyclic number.

It is not a de Polignac number, because 690382073 - 28 = 690381817 is a prime.

It is not a weakly prime, because it can be changed into another prime (690382093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345191036 + 345191037.

It is an arithmetic number, because the mean of its divisors is an integer number (345191037).

Almost surely, 2690382073 is an apocalyptic number.

It is an amenable number.

690382073 is a deficient number, since it is larger than the sum of its proper divisors (1).

690382073 is an equidigital number, since it uses as much as digits as its factorization.

690382073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 690382073 is about 26275.1227019019. The cubic root of 690382073 is about 883.8186640497.

The spelling of 690382073 in words is "six hundred ninety million, three hundred eighty-two thousand, seventy-three".