Search a number
-
+
3869793 = 323711621
BaseRepresentation
bin1110110000110001100001
321021121100200
432300301201
51442313133
6214535413
744615124
oct16606141
97247320
103869793
112203484
121367569
13a56525
1472a3bb
15516913
hex3b0c61

3869793 has 12 divisors (see below), whose sum is σ = 5741268. Its totient is φ = 2509920.

The previous prime is 3869791. The next prime is 3869797. The reversal of 3869793 is 3979683.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1830609 + 2039184 = 1353^2 + 1428^2 .

It is not a de Polignac number, because 3869793 - 21 = 3869791 is a prime.

It is a d-powerful number, because it can be written as 35 + 87 + 64 + 92 + 76 + 95 + 313 .

Its product of digits (244944) is a multiple of the sum of its prime factors (11664).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3869791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5478 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (478439).

Almost surely, 23869793 is an apocalyptic number.

It is an amenable number.

3869793 is a deficient number, since it is larger than the sum of its proper divisors (1871475).

3869793 is a wasteful number, since it uses less digits than its factorization.

3869793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664 (or 11661 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3869793 is about 1967.1789445803. The cubic root of 3869793 is about 156.9986476684.

The spelling of 3869793 in words is "three million, eight hundred sixty-nine thousand, seven hundred ninety-three".

Divisors: 1 3 9 37 111 333 11621 34863 104589 429977 1289931 3869793