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990527448 = 233198720771
BaseRepresentation
bin111011000010100…
…011111111011000
32120000212000012210
4323002203333120
54012033334243
6242142235120
733355226061
oct7302437730
92500760183
10990527448
11469143a29
12237885aa0
1312a2a1721
14957a3568
155be5e933
hex3b0a3fd8

990527448 has 32 divisors (see below), whose sum is σ = 2477684160. Its totient is φ = 329993760.

The previous prime is 990527429. The next prime is 990527477. The reversal of 990527448 is 844725099.

It is a super-2 number, since 2×9905274482 = 1962289250482785408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 990527397 and 990527406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37303 + ... + 58073.

It is an arithmetic number, because the mean of its divisors is an integer number (77427630).

Almost surely, 2990527448 is an apocalyptic number.

It is an amenable number.

990527448 is an abundant number, since it is smaller than the sum of its proper divisors (1487156712).

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

990527448 is a wasteful number, since it uses less digits than its factorization.

990527448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22767 (or 22763 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 990527448 is about 31472.6460279399. The cubic root of 990527448 is about 996.8324599503.

The spelling of 990527448 in words is "nine hundred ninety million, five hundred twenty-seven thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 1987 3974 5961 7948 11922 15896 20771 23844 41542 47688 62313 83084 124626 166168 249252 498504 41271977 82543954 123815931 165087908 247631862 330175816 495263724 990527448