Search a number
-
+
2943925 = 52117757
BaseRepresentation
bin1011001110101110110101
312112120022021
423032232311
51223201200
6143033141
734010605
oct13165665
95476267
102943925
1117308a6
12b9b7b1
137c0c8a
14568c05
153d241a
hex2cebb5

2943925 has 6 divisors (see below), whose sum is σ = 3650498. Its totient is φ = 2355120.

The previous prime is 2943911. The next prime is 2943929. The reversal of 2943925 is 5293492.

It can be written as a sum of positive squares in 3 ways, for example, as 33489 + 2910436 = 183^2 + 1706^2 .

It is not a de Polignac number, because 2943925 - 27 = 2943797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58854 + ... + 58903.

22943925 is an apocalyptic number.

2943925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2943925 is a deficient number, since it is larger than the sum of its proper divisors (706573).

2943925 is a wasteful number, since it uses less digits than its factorization.

2943925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117767 (or 117762 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 2943925 is about 1715.7869914415. The cubic root of 2943925 is about 143.3206977624.

The spelling of 2943925 in words is "two million, nine hundred forty-three thousand, nine hundred twenty-five".

Divisors: 1 5 25 117757 588785 2943925