Search a number
-
+
3905075 = 52181863
BaseRepresentation
bin1110111001011000110011
321100101202102
432321120303
51444430300
6215411015
745123026
oct16713063
97311672
103905075
112227a39
121383a6b
13a695c5
147391bd
155220d5
hex3b9633

3905075 has 12 divisors (see below), whose sum is σ = 4874688. Its totient is φ = 3103200.

The previous prime is 3905059. The next prime is 3905107. The reversal of 3905075 is 5705093.

It is not a de Polignac number, because 3905075 - 24 = 3905059 is a prime.

It is a super-2 number, since 2×39050752 = 30499221511250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 4094 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 23905075 is an apocalyptic number.

3905075 is a deficient number, since it is larger than the sum of its proper divisors (969613).

3905075 is a wasteful number, since it uses less digits than its factorization.

3905075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 3905075 is about 1976.1262611483. The cubic root of 3905075 is about 157.4743386428.

The spelling of 3905075 in words is "three million, nine hundred five thousand, seventy-five".

Divisors: 1 5 25 181 863 905 4315 4525 21575 156203 781015 3905075