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10989250 = 253113389
BaseRepresentation
bin101001111010…
…111011000010
3202200022102021
4221322323002
510303124000
61031312054
7162256426
oct51727302
922608367
1010989250
116226428
12381b62a
132379c1c
141660b86
15e7111a
hexa7aec2

10989250 has 32 divisors (see below), whose sum is σ = 20807280. Its totient is φ = 4345600.

The previous prime is 10989247. The next prime is 10989257. The reversal of 10989250 is 5298901.

10989250 = T15 + T16 + ... + T403.

It can be written as a sum of positive squares in 8 ways, for example, as 870489 + 10118761 = 933^2 + 3181^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10989257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28056 + ... + 28444.

Almost surely, 210989250 is an apocalyptic number.

10989250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10989250 is a deficient number, since it is larger than the sum of its proper divisors (9818030).

10989250 is a wasteful number, since it uses less digits than its factorization.

10989250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 10989250 is about 3315.0037707369. The cubic root of 10989250 is about 222.3255376074.

The spelling of 10989250 in words is "ten million, nine hundred eighty-nine thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 113 125 226 250 389 565 778 1130 1945 2825 3890 5650 9725 14125 19450 28250 43957 48625 87914 97250 219785 439570 1098925 2197850 5494625 10989250