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90543098 = 297466717
BaseRepresentation
bin1010110010110…
…01001111111010
320022101001210002
411121121033322
5141134334343
612552353002
72146414022
oct531311772
9208331702
1090543098
1147122408
12263a5762
13159b21c9
14c04ca82
157e378b8
hex56593fa

90543098 has 8 divisors (see below), whose sum is σ = 137215092. Its totient is φ = 44804736.

The previous prime is 90543097. The next prime is 90543137. The reversal of 90543098 is 89034509.

It can be written as a sum of positive squares in 2 ways, for example, as 78730129 + 11812969 = 8873^2 + 3437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (90543097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233165 + ... + 233552.

Almost surely, 290543098 is an apocalyptic number.

90543098 is a deficient number, since it is larger than the sum of its proper divisors (46671994).

90543098 is a wasteful number, since it uses less digits than its factorization.

90543098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466816.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 90543098 is about 9515.4137061927. The cubic root of 90543098 is about 449.0400904674.

The spelling of 90543098 in words is "ninety million, five hundred forty-three thousand, ninety-eight".

Divisors: 1 2 97 194 466717 933434 45271549 90543098