Search a number
-
+
3872427 = 313313203
BaseRepresentation
bin1110110001011010101011
321021201222020
432301122223
51442404202
6214555523
744625606
oct16613253
97251866
103872427
112205459
121368ba3
13a577a0
1472b33d
155175bc
hex3b16ab

3872427 has 16 divisors (see below), whose sum is σ = 5741568. Its totient is φ = 2305440.

The previous prime is 3872423. The next prime is 3872459. The reversal of 3872427 is 7242783.

It is not a de Polignac number, because 3872427 - 22 = 3872423 is a prime.

It is a d-powerful number, because it can be written as 313 + 85 + 72 + 217 + 44 + 221 + 75 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 393 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (358848).

Almost surely, 23872427 is an apocalyptic number.

3872427 is a deficient number, since it is larger than the sum of its proper divisors (1869141).

3872427 is a wasteful number, since it uses less digits than its factorization.

3872427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250.

The product of its digits is 18816, while the sum is 33.

The square root of 3872427 is about 1967.8483173253. The cubic root of 3872427 is about 157.0342603096.

The spelling of 3872427 in words is "three million, eight hundred seventy-two thousand, four hundred twenty-seven".

Divisors: 1 3 13 31 39 93 403 1209 3203 9609 41639 99293 124917 297879 1290809 3872427