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194244529 is a prime number
BaseRepresentation
bin10111001001111…
…10111110110001
3111112111122101211
423210332332301
5344211311104
631135200121
74546023403
oct1344767661
9445448354
10194244529
119a711876
1255076041
13313206bb
141bb24b73
15120bde04
hexb93efb1

194244529 has 2 divisors, whose sum is σ = 194244530. Its totient is φ = 194244528.

The previous prime is 194244509. The next prime is 194244539. The reversal of 194244529 is 925442491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134026929 + 60217600 = 11577^2 + 7760^2 .

It is a cyclic number.

It is not a de Polignac number, because 194244529 - 217 = 194113457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194244491 and 194244500.

It is not a weakly prime, because it can be changed into another prime (194244509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97122264 + 97122265.

It is an arithmetic number, because the mean of its divisors is an integer number (97122265).

Almost surely, 2194244529 is an apocalyptic number.

It is an amenable number.

194244529 is a deficient number, since it is larger than the sum of its proper divisors (1).

194244529 is an equidigital number, since it uses as much as digits as its factorization.

194244529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 194244529 is about 13937.1635923526. The cubic root of 194244529 is about 579.1391599471.

The spelling of 194244529 in words is "one hundred ninety-four million, two hundred forty-four thousand, five hundred twenty-nine".