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90683811 = 3234928871
BaseRepresentation
bin1010110011110…
…11100110100011
320022122012210200
411121323212203
5141203340221
612555400243
72150541201
oct531734643
9208565720
1090683811
11472090a9
1226453083
1315a3127a
14c088071
157e64426
hex567b9a3

90683811 has 12 divisors (see below), whose sum is σ = 131367600. Its totient is φ = 60280560.

The previous prime is 90683807. The next prime is 90683843. The reversal of 90683811 is 11838609.

It is not a de Polignac number, because 90683811 - 22 = 90683807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90683851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11295 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (10947300).

Almost surely, 290683811 is an apocalyptic number.

90683811 is a deficient number, since it is larger than the sum of its proper divisors (40683789).

90683811 is a wasteful number, since it uses less digits than its factorization.

90683811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29226 (or 29223 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 90683811 is about 9522.8047864062. The cubic root of 90683811 is about 449.2725877553.

The spelling of 90683811 in words is "ninety million, six hundred eighty-three thousand, eight hundred eleven".

Divisors: 1 3 9 349 1047 3141 28871 86613 259839 10075979 30227937 90683811