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90141369 = 330047123
BaseRepresentation
bin1010101111101…
…11001010111001
320021121122201020
411113313022321
5141034010434
612540013053
72143121553
oct527671271
9207548636
1090141369
11469785aa
1226231189
13158a13b6
14bd864d3
157da8849
hex55f72b9

90141369 has 4 divisors (see below), whose sum is σ = 120188496. Its totient is φ = 60094244.

The previous prime is 90141353. The next prime is 90141371. The reversal of 90141369 is 96314109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90141369 - 24 = 90141353 is a prime.

It is a super-2 number, since 2×901413692 = 16250932810388322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90141319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15023559 + ... + 15023564.

It is an arithmetic number, because the mean of its divisors is an integer number (30047124).

Almost surely, 290141369 is an apocalyptic number.

It is an amenable number.

90141369 is a deficient number, since it is larger than the sum of its proper divisors (30047127).

90141369 is a wasteful number, since it uses less digits than its factorization.

90141369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30047126.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 90141369 is about 9494.2808574425. The cubic root of 90141369 is about 448.3749932804.

The spelling of 90141369 in words is "ninety million, one hundred forty-one thousand, three hundred sixty-nine".

Divisors: 1 3 30047123 90141369