Search a number
-
+
83922901 is a prime number
BaseRepresentation
bin1010000000010…
…00111111010101
312211220201120121
411000020333111
5132441013101
612154431541
72036222116
oct500107725
9184821517
1083922901
1143410577
12241325b1
1314504b2a
14b20820d
15757b0a1
hex5008fd5

83922901 has 2 divisors, whose sum is σ = 83922902. Its totient is φ = 83922900.

The previous prime is 83922899. The next prime is 83922911. The reversal of 83922901 is 10922938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 3802500 = 8951^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 83922901 - 21 = 83922899 is a prime.

Together with 83922899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83922911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41961450 + 41961451.

It is an arithmetic number, because the mean of its divisors is an integer number (41961451).

Almost surely, 283922901 is an apocalyptic number.

It is an amenable number.

83922901 is a deficient number, since it is larger than the sum of its proper divisors (1).

83922901 is an equidigital number, since it uses as much as digits as its factorization.

83922901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 83922901 is about 9160.9443290525. The cubic root of 83922901 is about 437.8178822807.

The spelling of 83922901 in words is "eighty-three million, nine hundred twenty-two thousand, nine hundred one".