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90768310 = 2531292801
BaseRepresentation
bin1010110100100…
…00001110110110
320022210111201021
411122100032312
5141214041220
613001251354
72151342433
oct532201666
9208714637
1090768310
1147266636
1226493b5a
1315a60879
14c0aab8a
157e7e4aa
hex56903b6

90768310 has 16 divisors (see below), whose sum is σ = 168653952. Its totient is φ = 35136000.

The previous prime is 90768299. The next prime is 90768311. The reversal of 90768310 is 1386709.

It is a super-2 number, since 2×907683102 = 16477772200512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90768311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146091 + ... + 146710.

It is an arithmetic number, because the mean of its divisors is an integer number (10540872).

Almost surely, 290768310 is an apocalyptic number.

90768310 is a deficient number, since it is larger than the sum of its proper divisors (77885642).

90768310 is a wasteful number, since it uses less digits than its factorization.

90768310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292839.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 90768310 is about 9527.2404189251. The cubic root of 90768310 is about 449.4120882121.

The spelling of 90768310 in words is "ninety million, seven hundred sixty-eight thousand, three hundred ten".

Divisors: 1 2 5 10 31 62 155 310 292801 585602 1464005 2928010 9076831 18153662 45384155 90768310