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990369927 = 32192319833
BaseRepresentation
bin111011000001111…
…101100010000111
32120000120000010200
4323001331202013
54012013314202
6242135021543
733354001611
oct7301754207
92500500120
10990369927
11469046648
1223780a8b3
1312a247b11
1495761db1
155be2ce1c
hex3b07d887

990369927 has 36 divisors (see below), whose sum is σ = 1558649664. Its totient is φ = 605257920.

The previous prime is 990369911. The next prime is 990369931. The reversal of 990369927 is 729963099.

It is not a de Polignac number, because 990369927 - 24 = 990369911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990369977) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95803 + ... + 105635.

It is an arithmetic number, because the mean of its divisors is an integer number (43295824).

Almost surely, 2990369927 is an apocalyptic number.

990369927 is a deficient number, since it is larger than the sum of its proper divisors (568279737).

990369927 is a wasteful number, since it uses less digits than its factorization.

990369927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9886 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The square root of 990369927 is about 31470.1434219801. The cubic root of 990369927 is about 996.7796159258.

The spelling of 990369927 in words is "nine hundred ninety million, three hundred sixty-nine thousand, nine hundred twenty-seven".

Divisors: 1 3 9 19 31 57 93 171 279 361 589 1083 1767 3249 5301 9833 11191 29499 33573 88497 100719 186827 304823 560481 914469 1681443 2743407 3549713 5791637 10649139 17374911 31947417 52124733 110041103 330123309 990369927