Search a number
-
+
3873936 = 2431122329
BaseRepresentation
bin1110110001110010010000
321021211001010
432301302100
51442431221
6215010520
744633163
oct16616220
97254033
103873936
112206600
121369a40
13a58391
1472bada
15517c76
hex3b1c90

3873936 has 120 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 1084160.

The previous prime is 3873931. The next prime is 3873941. The reversal of 3873936 is 6393783.

3873936 is a nontrivial binomial coefficient, being equal to C(2784, 2).

It is an interprime number because it is at equal distance from previous prime (3873931) and next prime (3873941).

It is a junction number, because it is equal to n+sod(n) for n = 3873894 and 3873903.

It is not an unprimeable number, because it can be changed into a prime (3873931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133570 + ... + 133598.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

Almost surely, 23873936 is an apocalyptic number.

3873936 is the 2783-rd triangular number and also the 1392-nd hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3873936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5937120).

3873936 is an abundant number, since it is smaller than the sum of its proper divisors (8000304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3873936 is a wasteful number, since it uses less digits than its factorization.

3873936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 68 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 3873936 is about 1968.2316936784. The cubic root of 3873936 is about 157.0546552648.

The spelling of 3873936 in words is "three million, eight hundred seventy-three thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 23 24 29 33 44 46 48 58 66 69 87 88 92 116 121 132 138 174 176 184 232 242 253 264 276 319 348 363 368 464 484 506 528 552 638 667 696 726 759 957 968 1012 1104 1276 1334 1392 1452 1518 1914 1936 2001 2024 2552 2668 2783 2904 3036 3509 3828 4002 4048 5104 5336 5566 5808 6072 7018 7337 7656 8004 8349 10527 10672 11132 12144 14036 14674 15312 16008 16698 21054 22011 22264 28072 29348 32016 33396 42108 44022 44528 56144 58696 66792 80707 84216 88044 117392 133584 161414 168432 176088 242121 322828 352176 484242 645656 968484 1291312 1936968 3873936