Search a number
-
+
3664020231 = 333112734469
BaseRepresentation
bin1101101001100100…
…1000001100000111
3100110100111111212000
43122121020030013
530000442121411
61403324400343
7156540441504
oct33231101407
910410444760
103664020231
1116102756a3
128630a60b3
13465136c11
1426a8964ab
15166a0a956
hexda648307

3664020231 has 32 divisors (see below), whose sum is σ = 5647564800. Its totient is φ = 2345202720.

The previous prime is 3664020229. The next prime is 3664020271. The reversal of 3664020231 is 1320204663.

It is not a de Polignac number, because 3664020231 - 21 = 3664020229 is a prime.

It is a super-2 number, since 2×36640202312 = 26850088506354586722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3664020195 and 3664020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664020271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89065 + ... + 123533.

It is an arithmetic number, because the mean of its divisors is an integer number (176486400).

Almost surely, 23664020231 is an apocalyptic number.

3664020231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3664020231 is a deficient number, since it is larger than the sum of its proper divisors (1983544569).

3664020231 is a wasteful number, since it uses less digits than its factorization.

3664020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34636 (or 34630 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3664020231 is about 60531.1509142194. The cubic root of 3664020231 is about 1541.6505930609.

Adding to 3664020231 its reverse (1320204663), we get a palindrome (4984224894).

The spelling of 3664020231 in words is "three billion, six hundred sixty-four million, twenty thousand, two hundred thirty-one".

Divisors: 1 3 9 27 31 93 127 279 381 837 1143 3429 3937 11811 34469 35433 103407 106299 310221 930663 1068539 3205617 4377563 9616851 13132689 28850553 39398067 118194201 135704453 407113359 1221340077 3664020231