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2708125 = 547619
BaseRepresentation
bin1010010101001010011101
312002120211221
422111022131
51143130000
6134013341
732006260
oct12251235
95076757
102708125
11158a722
12aa7251
1373a854
14506cd7
1538761a
hex29529d

2708125 has 20 divisors (see below), whose sum is σ = 3873760. Its totient is φ = 1854000.

The previous prime is 2708099. The next prime is 2708149. The reversal of 2708125 is 5218072.

2708125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-2708125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

2708125 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2708125.

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 19 ways as a sum of consecutive naturals, for example, 4066 + ... + 4684.

It is an arithmetic number, because the mean of its divisors is an integer number (193688).

22708125 is an apocalyptic number.

2708125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2708125 is a deficient number, since it is larger than the sum of its proper divisors (1165635).

2708125 is an frugal number, since it uses more digits than its factorization.

2708125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2708125 is about 1645.6381740832. The cubic root of 2708125 is about 139.3872025754.

The spelling of 2708125 in words is "two million, seven hundred eight thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 619 625 875 3095 4333 4375 15475 21665 77375 108325 386875 541625 2708125