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3875493 = 31291831
BaseRepresentation
bin1110110010001010100101
321021220011210
432302022211
51443003433
6215022033
744640546
oct16621245
97256153
103875493
112207796
12136a919
13a58cbb
1472c4cd
15518463
hex3b22a5

3875493 has 4 divisors (see below), whose sum is σ = 5167328. Its totient is φ = 2583660.

The previous prime is 3875467. The next prime is 3875537. The reversal of 3875493 is 3945783.

3875493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3875493 - 26 = 3875429 is a prime.

It is a d-powerful number, because it can be written as 311 + 87 + 72 + 5 + 44 + 94 + 313 .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875453) 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 3 ways as a sum of consecutive naturals, for example, 645913 + ... + 645918.

It is an arithmetic number, because the mean of its divisors is an integer number (1291832).

Almost surely, 23875493 is an apocalyptic number.

It is an amenable number.

3875493 is a deficient number, since it is larger than the sum of its proper divisors (1291835).

3875493 is a wasteful number, since it uses less digits than its factorization.

3875493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291834.

The product of its digits is 90720, while the sum is 39.

The square root of 3875493 is about 1968.6271866456. The cubic root of 3875493 is about 157.0756934152.

The spelling of 3875493 in words is "three million, eight hundred seventy-five thousand, four hundred ninety-three".

Divisors: 1 3 1291831 3875493