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90552801 = 3371395869
BaseRepresentation
bin1010110010110…
…11100111100001
320022101120002110
411121123213201
5141140142201
612552505533
72146454223
oct531334741
9208346073
1090552801
1147129729
12263ab2a9
13159b6751
14c052413
157e3a6d6
hex565b9e1

90552801 has 16 divisors (see below), whose sum is σ = 124913600. Its totient is φ = 58304448.

The previous prime is 90552799. The next prime is 90552809. The reversal of 90552801 is 10825509.

It is not a de Polignac number, because 90552801 - 21 = 90552799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90552809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12495 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (7807100).

Almost surely, 290552801 is an apocalyptic number.

It is an amenable number.

90552801 is a deficient number, since it is larger than the sum of its proper divisors (34360799).

90552801 is a wasteful number, since it uses less digits than its factorization.

90552801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6048.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 90552801 is about 9515.9235495037. The cubic root of 90552801 is about 449.0561302704.

The spelling of 90552801 in words is "ninety million, five hundred fifty-two thousand, eight hundred one".

Divisors: 1 3 37 111 139 417 5143 5869 15429 17607 217153 651459 815791 2447373 30184267 90552801