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90769514 = 2117356519
BaseRepresentation
bin1010110100100…
…00100001101010
320022210120100212
411122100201222
5141214111024
613001301122
72151346103
oct532204152
9208716325
1090769514
1147267530
12264947a2
1315a61294
14c0ab3aa
157e7ea0e
hex569086a

90769514 has 16 divisors (see below), whose sum is σ = 150569280. Its totient is φ = 40692960.

The previous prime is 90769513. The next prime is 90769537. The reversal of 90769514 is 41596709.

It is not an unprimeable number, because it can be changed into a prime (90769513) 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 7 ways as a sum of consecutive naturals, for example, 26654 + ... + 29865.

It is an arithmetic number, because the mean of its divisors is an integer number (9410580).

Almost surely, 290769514 is an apocalyptic number.

90769514 is a deficient number, since it is larger than the sum of its proper divisors (59799766).

90769514 is a wasteful number, since it uses less digits than its factorization.

90769514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56605.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 90769514 is about 9527.3036059527. The cubic root of 90769514 is about 449.4140752850.

It can be divided in two parts, 907695 and 14, that added together give a palindrome (907709).

The spelling of 90769514 in words is "ninety million, seven hundred sixty-nine thousand, five hundred fourteen".

Divisors: 1 2 11 22 73 146 803 1606 56519 113038 621709 1243418 4125887 8251774 45384757 90769514