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3875155 = 523311087
BaseRepresentation
bin1110110010000101010011
321021212201021
432302011103
51443001110
6215020311
744636554
oct16620523
97255637
103875155
112207509
12136a697
13a58abb
1472c32b
155182da
hex3b2153

3875155 has 16 divisors (see below), whose sum is σ = 5013504. Its totient is φ = 2867040.

The previous prime is 3875143. The next prime is 3875159. The reversal of 3875155 is 5515783.

3875155 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 3875155 - 213 = 3866963 is a prime.

It is an Ulam number.

It is a Duffinian number.

3875155 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3875155.

It is not an unprimeable number, because it can be changed into a prime (3875159) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3022 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (313344).

Almost surely, 23875155 is an apocalyptic number.

3875155 is a deficient number, since it is larger than the sum of its proper divisors (1138349).

3875155 is a wasteful number, since it uses less digits than its factorization.

3875155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its digits is 21000, while the sum is 34.

The square root of 3875155 is about 1968.5413381486. The cubic root of 3875155 is about 157.0711268454.

It can be divided in two parts, 3875 and 155, that multiplied together give a square (600625 = 7752).

The spelling of 3875155 in words is "three million, eight hundred seventy-five thousand, one hundred fifty-five".

Divisors: 1 5 23 31 115 155 713 1087 3565 5435 25001 33697 125005 168485 775031 3875155