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10889550 = 2325273457
BaseRepresentation
bin101001100010…
…100101001110
3202111020122200
4221202211032
510241431200
61025222330
7161362650
oct51424516
922436580
1010889550
116168531
1237919a6
132343729
1416366d0
15e51800
hexa6294e

10889550 has 72 divisors (see below), whose sum is σ = 33445776. Its totient is φ = 2488320.

The previous prime is 10889521. The next prime is 10889551. The reversal of 10889550 is 5598801.

It is a hoax number, since the sum of its digits (36) 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 (10889551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1422 + ... + 4878.

Almost surely, 210889550 is an apocalyptic number.

10889550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10889550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16722888).

10889550 is an abundant number, since it is smaller than the sum of its proper divisors (22556226).

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

10889550 is a wasteful number, since it uses less digits than its factorization.

10889550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 10889550 is about 3299.9318174774. The cubic root of 10889550 is about 221.6511443204.

The spelling of 10889550 in words is "ten million, eight hundred eighty-nine thousand, five hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 3457 6914 10371 17285 20742 24199 31113 34570 48398 51855 62226 72597 86425 103710 120995 145194 155565 172850 217791 241990 259275 311130 362985 435582 518550 604975 725970 777825 1088955 1209950 1555650 1814925 2177910 3629850 5444775 10889550