Search a number
-
+
94930921 is a prime number
BaseRepresentation
bin1011010100010…
…00011111101001
320121121222202001
411222020133221
5143300242141
613230411001
72231620351
oct552103751
9217558661
1094930921
114964a008
1227960a61
131688a457
14c871b61
158502a31
hex5a887e9

94930921 has 2 divisors, whose sum is σ = 94930922. Its totient is φ = 94930920.

The previous prime is 94930909. The next prime is 94930931. The reversal of 94930921 is 12903949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73770921 + 21160000 = 8589^2 + 4600^2 .

It is a cyclic number.

It is not a de Polignac number, because 94930921 - 217 = 94799849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94930931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47465460 + 47465461.

It is an arithmetic number, because the mean of its divisors is an integer number (47465461).

Almost surely, 294930921 is an apocalyptic number.

It is an amenable number.

94930921 is a deficient number, since it is larger than the sum of its proper divisors (1).

94930921 is an equidigital number, since it uses as much as digits as its factorization.

94930921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 94930921 is about 9743.2500224514. The cubic root of 94930921 is about 456.1796399664.

The spelling of 94930921 in words is "ninety-four million, nine hundred thirty thousand, nine hundred twenty-one".