Search a number
-
+
6813464 = 237172421
BaseRepresentation
bin11001111111011100011000
3110211011022112
4121333130120
53221012324
6402011452
7111625220
oct31773430
913734275
106813464
113934069
122346b88
131547348
14c95080
158e8c0e
hex67f718

6813464 has 48 divisors (see below), whose sum is σ = 15546480. Its totient is φ = 2741760.

The previous prime is 6813409. The next prime is 6813473. The reversal of 6813464 is 4643186.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6813464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15974 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (323885).

Almost surely, 26813464 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 6813464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7773240).

6813464 is an abundant number, since it is smaller than the sum of its proper divisors (8733016).

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

6813464 is a wasteful number, since it uses less digits than its factorization.

6813464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 447 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 6813464 is about 2610.2612896030. The cubic root of 6813464 is about 189.5786044091.

The spelling of 6813464 in words is "six million, eight hundred thirteen thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 289 421 476 578 842 952 1156 1684 2023 2312 2947 3368 4046 5894 7157 8092 11788 14314 16184 23576 28628 50099 57256 100198 121669 200396 243338 400792 486676 851683 973352 1703366 3406732 6813464