Search a number
-
+
2825845 = 511191269
BaseRepresentation
bin1010110001111001110101
312022120022221
422301321311
51210411340
6140322341
733006421
oct12617165
95276287
102825845
111660110
12b433b1
1377c2c9
14537b81
153ac44a
hex2b1e75

2825845 has 16 divisors (see below), whose sum is σ = 3732480. Its totient is φ = 2036800.

The previous prime is 2825833. The next prime is 2825857. The reversal of 2825845 is 5485282.

It is an interprime number because it is at equal distance from previous prime (2825833) and next prime (2825857).

It is a de Polignac number, because none of the positive numbers 2k-2825845 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2825845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10371 + ... + 10639.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

22825845 is an apocalyptic number.

It is an amenable number.

2825845 is a deficient number, since it is larger than the sum of its proper divisors (906635).

2825845 is a wasteful number, since it uses less digits than its factorization.

2825845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 25600, while the sum is 34.

The square root of 2825845 is about 1681.0249849422. The cubic root of 2825845 is about 141.3783077223.

The spelling of 2825845 in words is "two million, eight hundred twenty-five thousand, eight hundred forty-five".

Divisors: 1 5 11 55 191 269 955 1345 2101 2959 10505 14795 51379 256895 565169 2825845