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194285473 is a prime number
BaseRepresentation
bin10111001010010…
…00111110100001
3111112120201120021
423211020332201
5344214113343
631140113441
74546253644
oct1345107641
9445521507
10194285473
119a73a608
1255095881
1331336225
141bb35a5b
15120cb0ed
hexb948fa1

194285473 has 2 divisors, whose sum is σ = 194285474. Its totient is φ = 194285472.

The previous prime is 194285467. The next prime is 194285521. The reversal of 194285473 is 374582491.

194285473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148425489 + 45859984 = 12183^2 + 6772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-194285473 is a prime.

It is not a weakly prime, because it can be changed into another prime (194285423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97142736 + 97142737.

It is an arithmetic number, because the mean of its divisors is an integer number (97142737).

Almost surely, 2194285473 is an apocalyptic number.

It is an amenable number.

194285473 is a deficient number, since it is larger than the sum of its proper divisors (1).

194285473 is an equidigital number, since it uses as much as digits as its factorization.

194285473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 194285473 is about 13938.6323934596. The cubic root of 194285473 is about 579.1798485369.

The spelling of 194285473 in words is "one hundred ninety-four million, two hundred eighty-five thousand, four hundred seventy-three".