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3081925 = 527111601
BaseRepresentation
bin1011110000011011000101
312210120121101
423300123011
51242110200
6150020101
735124130
oct13603305
95716541
103081925
111815550
121047631
1383ba32
145a3217
1540d26a
hex2f06c5

3081925 has 24 divisors (see below), whose sum is σ = 4767552. Its totient is φ = 1920000.

The previous prime is 3081919. The next prime is 3081937. The reversal of 3081925 is 5291803.

3081925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3081925 - 27 = 3081797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3081893 and 3081902.

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 23 ways as a sum of consecutive naturals, for example, 1125 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (198648).

Almost surely, 23081925 is an apocalyptic number.

3081925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3081925 is a deficient number, since it is larger than the sum of its proper divisors (1685627).

3081925 is a wasteful number, since it uses less digits than its factorization.

3081925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3081925 is about 1755.5412270864. The cubic root of 3081925 is about 145.5260322729.

It can be divided in two parts, 308 and 1925, that multiplied together give a square (592900 = 7702).

The spelling of 3081925 in words is "three million, eighty-one thousand, nine hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1601 1925 8005 11207 17611 40025 56035 88055 123277 280175 440275 616385 3081925