Search a number
-
+
3954210493 is a prime number
BaseRepresentation
bin1110101110110000…
…0111011010111101
3101012120112201001111
43223230013122331
531044234213433
61452212242021
7166663143322
oct35354073275
911176481044
103954210493
11174a059962
12924310311
134b02ab92c
14297234b49
1518222cdcd
hexebb076bd

3954210493 has 2 divisors, whose sum is σ = 3954210494. Its totient is φ = 3954210492.

The previous prime is 3954210451. The next prime is 3954210497. The reversal of 3954210493 is 3940124593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3602160324 + 352050169 = 60018^2 + 18763^2 .

It is a cyclic number.

It is not a de Polignac number, because 3954210493 - 29 = 3954209981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3954210497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977105246 + 1977105247.

It is an arithmetic number, because the mean of its divisors is an integer number (1977105247).

Almost surely, 23954210493 is an apocalyptic number.

It is an amenable number.

3954210493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954210493 is an equidigital number, since it uses as much as digits as its factorization.

3954210493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 3954210493 is about 62882.5134119176. The cubic root of 3954210493 is about 1581.3205982259.

The spelling of 3954210493 in words is "three billion, nine hundred fifty-four million, two hundred ten thousand, four hundred ninety-three".