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90083943 = 3210009327
BaseRepresentation
bin1010101111010…
…01001001100111
320021111201221100
411113221021213
5141030141233
612534451143
72142462255
oct527511147
9207451840
1090083943
1146939444
1226203ab3
1315881211
14bd6d5d5
157d96813
hex55e9267

90083943 has 6 divisors (see below), whose sum is σ = 130121264. Its totient is φ = 60055956.

The previous prime is 90083911. The next prime is 90083951. The reversal of 90083943 is 34938009.

It is not a de Polignac number, because 90083943 - 25 = 90083911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90083898 and 90083907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90083243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5004655 + ... + 5004672.

Almost surely, 290083943 is an apocalyptic number.

90083943 is a deficient number, since it is larger than the sum of its proper divisors (40037321).

90083943 is a wasteful number, since it uses less digits than its factorization.

90083943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009333 (or 10009330 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90083943 is about 9491.2561339372. The cubic root of 90083943 is about 448.2797582350.

The spelling of 90083943 in words is "ninety million, eighty-three thousand, nine hundred forty-three".

Divisors: 1 3 9 10009327 30027981 90083943