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90341977 = 118212907
BaseRepresentation
bin1010110001010…
…00001001011001
320021222211220011
411120220021121
5141111420402
612544201521
72144615455
oct530501131
9207884804
1090341977
1146aa52a0
12263092a1
13159417bb
14bdd9665
157de7ed7
hex5628259

90341977 has 4 divisors (see below), whose sum is σ = 98554896. Its totient is φ = 82129060.

The previous prime is 90341963. The next prime is 90342013. The reversal of 90341977 is 77914309.

90341977 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90341977 - 215 = 90309209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90341917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4106443 + ... + 4106464.

It is an arithmetic number, because the mean of its divisors is an integer number (24638724).

Almost surely, 290341977 is an apocalyptic number.

It is an amenable number.

90341977 is a deficient number, since it is larger than the sum of its proper divisors (8212919).

90341977 is a wasteful number, since it uses less digits than its factorization.

90341977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212918.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 90341977 is about 9504.8396619827. The cubic root of 90341977 is about 448.7073636760.

It can be divided in two parts, 9034 and 1977, that added together give a palindrome (11011).

The spelling of 90341977 in words is "ninety million, three hundred forty-one thousand, nine hundred seventy-seven".

Divisors: 1 11 8212907 90341977