Search a number
-
+
3668860 = 22513103137
BaseRepresentation
bin1101111111101101111100
320220101201201
431333231330
51414400420
6210345244
743120246
oct15775574
96811651
103668860
112086518
12128b224
139b5c30
146b7096
154c710a
hex37fb7c

3668860 has 48 divisors (see below), whose sum is σ = 8438976. Its totient is φ = 1331712.

The previous prime is 3668857. The next prime is 3668869. The reversal of 3668860 is 688663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26712 + ... + 26848.

It is an arithmetic number, because the mean of its divisors is an integer number (175812).

Almost surely, 23668860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3668860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219488).

3668860 is an abundant number, since it is smaller than the sum of its proper divisors (4770116).

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

3668860 is a wasteful number, since it uses less digits than its factorization.

3668860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 3668860 is about 1915.4268453794. The cubic root of 3668860 is about 154.2329078216.

The spelling of 3668860 in words is "three million, six hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 103 130 137 206 260 274 412 515 548 685 1030 1339 1370 1781 2060 2678 2740 3562 5356 6695 7124 8905 13390 14111 17810 26780 28222 35620 56444 70555 141110 183443 282220 366886 733772 917215 1834430 3668860