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90681962 = 2723281621
BaseRepresentation
bin1010110011110…
…11001001101010
320022122010021012
411121323021222
5141203310322
612555343522
72150532620
oct531731152
9208563235
1090681962
1147207778
1226451ba2
1315a30487
14c087510
157e63ae2
hex567b26a

90681962 has 16 divisors (see below), whose sum is σ = 162214272. Its totient is φ = 37173840.

The previous prime is 90681959. The next prime is 90681979. The reversal of 90681962 is 26918609.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140489 + ... + 141132.

It is an arithmetic number, because the mean of its divisors is an integer number (10138392).

Almost surely, 290681962 is an apocalyptic number.

90681962 is a deficient number, since it is larger than the sum of its proper divisors (71532310).

90681962 is a wasteful number, since it uses less digits than its factorization.

90681962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281653.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 90681962 is about 9522.7077031693. The cubic root of 90681962 is about 449.2695342493.

The spelling of 90681962 in words is "ninety million, six hundred eighty-one thousand, nine hundred sixty-two".

Divisors: 1 2 7 14 23 46 161 322 281621 563242 1971347 3942694 6477283 12954566 45340981 90681962