Search a number
-
+
2315925 = 33524773
BaseRepresentation
bin1000110101011010010101
311100122212000
420311122111
51043102200
6121345513
725453653
oct10653225
94318760
102315925
111341a97
12938299
13631191
14443dd3
1530b300
hex235695

2315925 has 48 divisors (see below), whose sum is σ = 4404480. Its totient is φ = 1192320.

The previous prime is 2315903. The next prime is 2315947. The reversal of 2315925 is 5295132.

2315925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2315903) and next prime (2315947).

It is not a de Polignac number, because 2315925 - 26 = 2315861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2315925 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31689 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (91760).

22315925 is an apocalyptic number.

2315925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2315925 is a deficient number, since it is larger than the sum of its proper divisors (2088555).

2315925 is a wasteful number, since it uses less digits than its factorization.

2315925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 128 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2315925 is about 1521.8163489725. The cubic root of 2315925 is about 132.3045653270.

It can be divided in two parts, 2315 and 925, that added together give a triangular number (3240 = T80).

The spelling of 2315925 in words is "two million, three hundred fifteen thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 47 73 75 135 141 219 225 235 365 423 657 675 705 1095 1175 1269 1825 1971 2115 3285 3431 3525 5475 6345 9855 10293 10575 16425 17155 30879 31725 49275 51465 85775 92637 154395 257325 463185 771975 2315925