Search a number
-
+
10825880 = 23513109191
BaseRepresentation
bin101001010011…
…000010011000
3202101000022112
4221103002120
510232412010
61024011452
7161006222
oct51230230
922330275
1010825880
11612470a
123760b88
132320760
14161b412
15e3ca05
hexa53098

10825880 has 64 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 3939840.

The previous prime is 10825831. The next prime is 10825883. The reversal of 10825880 is 8852801.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10825883) 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, 56585 + ... + 56775.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 210825880 is an apocalyptic number.

10825880 is a gapful number since it is divisible by the number (10) 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 10825880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13305600).

10825880 is an abundant number, since it is smaller than the sum of its proper divisors (15785320).

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

10825880 is a wasteful number, since it uses less digits than its factorization.

10825880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 10825880 is about 3290.2705055968. The cubic root of 10825880 is about 221.2183096961.

The spelling of 10825880 in words is "ten million, eight hundred twenty-five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 109 130 191 218 260 382 436 520 545 764 872 955 1090 1417 1528 1910 2180 2483 2834 3820 4360 4966 5668 7085 7640 9932 11336 12415 14170 19864 20819 24830 28340 41638 49660 56680 83276 99320 104095 166552 208190 270647 416380 541294 832760 1082588 1353235 2165176 2706470 5412940 10825880