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10825980 = 22351147349
BaseRepresentation
bin101001010011…
…000011111100
3202101000110020
4221103003330
510232412410
61024012140
7161006424
oct51230374
922330406
1010825980
1161247a0
123761050
132320809
14161b484
15e3ca70
hexa530fc

10825980 has 96 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 2561280.

The previous prime is 10825979. The next prime is 10825987. The reversal of 10825980 is 8952801.

10825980 = T241 + T242 + ... + T428.

It is a happy number.

10825980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10825987) 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, 30846 + ... + 31194.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 210825980 is an apocalyptic number.

10825980 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 10825980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

10825980 is an abundant number, since it is smaller than the sum of its proper divisors (23042820).

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

10825980 is a wasteful number, since it uses less digits than its factorization.

10825980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 10825980 is about 3290.2857018806. The cubic root of 10825980 is about 221.2189908343.

The spelling of 10825980 in words is "ten million, eight hundred twenty-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 47 55 60 66 94 110 132 141 165 188 220 235 282 330 349 470 517 564 660 698 705 940 1034 1047 1396 1410 1551 1745 2068 2094 2585 2820 3102 3490 3839 4188 5170 5235 6204 6980 7678 7755 10340 10470 11517 15356 15510 16403 19195 20940 23034 31020 32806 38390 46068 49209 57585 65612 76780 82015 98418 115170 164030 180433 196836 230340 246045 328060 360866 492090 541299 721732 902165 984180 1082598 1804330 2165196 2706495 3608660 5412990 10825980