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190848881 is a prime number
BaseRepresentation
bin10110110000000…
…01111101110001
3111022010010110002
423120001331301
5342324131011
630534315345
74505121506
oct1330017561
9438103402
10190848881
1198802653
1253ab8b55
1330701c42
141b4bd4ad
1511b4cc3b
hexb601f71

190848881 has 2 divisors, whose sum is σ = 190848882. Its totient is φ = 190848880.

The previous prime is 190848877. The next prime is 190848887. The reversal of 190848881 is 188848091.

190848881 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., 135955600 + 54893281 = 11660^2 + 7409^2 .

It is a cyclic number.

It is not a de Polignac number, because 190848881 - 22 = 190848877 is a prime.

It is a super-2 number, since 2×1908488812 = 72846590757904322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190848887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95424440 + 95424441.

It is an arithmetic number, because the mean of its divisors is an integer number (95424441).

Almost surely, 2190848881 is an apocalyptic number.

It is an amenable number.

190848881 is a deficient number, since it is larger than the sum of its proper divisors (1).

190848881 is an equidigital number, since it uses as much as digits as its factorization.

190848881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 47.

The square root of 190848881 is about 13814.8065856891. The cubic root of 190848881 is about 575.7445990667.

The spelling of 190848881 in words is "one hundred ninety million, eight hundred forty-eight thousand, eight hundred eighty-one".