Search a number
-
+
10780668 = 2233173577
BaseRepresentation
bin101001000111…
…111111111100
3202021201022000
4221013333330
510224440133
61023022300
7160430343
oct51077774
922251260
1010780668
1160a3748
12373a990
132305cc2
141608b5a
15e2e413
hexa47ffc

10780668 has 48 divisors (see below), whose sum is σ = 28160160. Its totient is φ = 3566592.

The previous prime is 10780661. The next prime is 10780673. The reversal of 10780668 is 86608701.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10780661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18396 + ... + 18972.

It is an arithmetic number, because the mean of its divisors is an integer number (586670).

Almost surely, 210780668 is an apocalyptic number.

10780668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10780668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14080080).

10780668 is an abundant number, since it is smaller than the sum of its proper divisors (17379492).

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

10780668 is a wasteful number, since it uses less digits than its factorization.

10780668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 10780668 is about 3283.3927574995. The cubic root of 10780668 is about 220.9099228191.

The spelling of 10780668 in words is "ten million, seven hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 173 346 519 577 692 1038 1154 1557 1731 2076 2308 3114 3462 4671 5193 6228 6924 9342 10386 15579 18684 20772 31158 62316 99821 199642 299463 399284 598926 898389 1197852 1796778 2695167 3593556 5390334 10780668