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90852664 = 23722271021
BaseRepresentation
bin1010110101001…
…00110100111000
320022221210102111
411122210310320
5141224241124
613003142104
72152143400
oct532446470
9208853374
1090852664
1147313a51
1226514934
1315a90096
14c0cd800
157e99494
hex56a4d38

90852664 has 48 divisors (see below), whose sum is σ = 199228680. Its totient is φ = 38727360.

The previous prime is 90852647. The next prime is 90852667. The reversal of 90852664 is 46625809.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90852667) 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 11 ways as a sum of consecutive naturals, for example, 88474 + ... + 89494.

Almost surely, 290852664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90852664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99614340).

90852664 is an abundant number, since it is smaller than the sum of its proper divisors (108376016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90852664 is a wasteful number, since it uses less digits than its factorization.

90852664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 90852664 is about 9531.6663810689. Note that the first 3 decimals coincide. The cubic root of 90852664 is about 449.5512629592.

The spelling of 90852664 in words is "ninety million, eight hundred fifty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 227 392 454 908 1021 1589 1816 2042 3178 4084 6356 7147 8168 11123 12712 14294 22246 28588 44492 50029 57176 88984 100058 200116 231767 400232 463534 927068 1622369 1854136 3244738 6489476 11356583 12978952 22713166 45426332 90852664