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989617124 = 221714553193
BaseRepresentation
bin111010111111000…
…101101111100100
32112222010202111002
4322333011233210
54011320221444
6242110532432
733344415056
oct7277055744
92488122432
10989617124
11468681aa1
12237507118
1312a043282
14956078d6
155bd2ed4e
hex3afc5be4

989617124 has 12 divisors (see below), whose sum is σ = 1833702444. Its totient is φ = 465702144.

The previous prime is 989617087. The next prime is 989617151. The reversal of 989617124 is 421716989.

It can be written as a sum of positive squares in 2 ways, for example, as 265038400 + 724578724 = 16280^2 + 26918^2 .

It is a super-2 number, since 2×9896171242 = 1958684104228062752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7276529 + ... + 7276664.

It is an arithmetic number, because the mean of its divisors is an integer number (152808537).

Almost surely, 2989617124 is an apocalyptic number.

It is an amenable number.

989617124 is a deficient number, since it is larger than the sum of its proper divisors (844085320).

989617124 is a wasteful number, since it uses less digits than its factorization.

989617124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553214 (or 14553212 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 989617124 is about 31458.1805576864. The cubic root of 989617124 is about 996.5269935229.

The spelling of 989617124 in words is "nine hundred eighty-nine million, six hundred seventeen thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 14553193 29106386 58212772 247404281 494808562 989617124