Search a number
-
+
2925391 = 74110193
BaseRepresentation
bin1011001010001101001111
312111121212211
423022031033
51222103031
6142411251
733602560
oct13121517
95447784
102925391
111718987
12b90b27
137b5701
14562167
153cbbb1
hex2ca34f

2925391 has 8 divisors (see below), whose sum is σ = 3425184. Its totient is φ = 2446080.

The previous prime is 2925389. The next prime is 2925401. The reversal of 2925391 is 1935292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2925391 - 21 = 2925389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2925691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (428148).

22925391 is an apocalyptic number.

2925391 is a deficient number, since it is larger than the sum of its proper divisors (499793).

2925391 is a wasteful number, since it uses less digits than its factorization.

2925391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241.

The product of its digits is 4860, while the sum is 31.

The square root of 2925391 is about 1710.3774437240. The cubic root of 2925391 is about 143.0192974430.

Subtracting from 2925391 its reverse (1935292), we obtain a palindrome (990099).

The spelling of 2925391 in words is "two million, nine hundred twenty-five thousand, three hundred ninety-one".

Divisors: 1 7 41 287 10193 71351 417913 2925391