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90534115 = 572449823
BaseRepresentation
bin1010110010101…
…11000011100011
320022100121110101
411121113003203
5141134042430
612552243231
72146345600
oct531270343
9208317411
1090534115
1147116691
12263a0517
13159ab0a9
14c0496a7
157e34dca
hex56570e3

90534115 has 24 divisors (see below), whose sum is σ = 126813600. Its totient is φ = 61867008.

The previous prime is 90534113. The next prime is 90534137. The reversal of 90534115 is 51143509.

It is not a de Polignac number, because 90534115 - 21 = 90534113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90534113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109594 + ... + 110416.

It is an arithmetic number, because the mean of its divisors is an integer number (5283900).

Almost surely, 290534115 is an apocalyptic number.

90534115 is a deficient number, since it is larger than the sum of its proper divisors (36279485).

90534115 is a wasteful number, since it uses less digits than its factorization.

90534115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 90534115 is about 9514.9416708669. The cubic root of 90534115 is about 449.0252398581.

The spelling of 90534115 in words is "ninety million, five hundred thirty-four thousand, one hundred fifteen".

Divisors: 1 5 7 35 49 245 449 823 2245 3143 4115 5761 15715 22001 28805 40327 110005 201635 369527 1847635 2586689 12933445 18106823 90534115