Search a number
-
+
40925 = 521637
BaseRepresentation
bin1001111111011101
32002010202
421333131
52302200
6513245
7230213
oct117735
962122
1040925
1128825
121b825
1315821
1410cb3
15c1d5
hex9fdd

40925 has 6 divisors (see below), whose sum is σ = 50778. Its totient is φ = 32720.

The previous prime is 40903. The next prime is 40927. The reversal of 40925 is 52904.

It can be written as a sum of positive squares in 3 ways, for example, as 121 + 40804 = 11^2 + 202^2 .

It is not a de Polignac number, because 40925 - 210 = 39901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40897 and 40906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40927) 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, 794 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (8463).

240925 is an apocalyptic number.

It is an amenable number.

40925 is a deficient number, since it is larger than the sum of its proper divisors (9853).

40925 is a wasteful number, since it uses less digits than its factorization.

40925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40925 is about 202.2992832414. The cubic root of 40925 is about 34.4611338553.

It can be divided in two parts, 409 and 25, that added together give a palindrome (434).

The spelling of 40925 in words is "forty thousand, nine hundred twenty-five".

Divisors: 1 5 25 1637 8185 40925