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90034541 = 696712923
BaseRepresentation
bin1010101110111…
…01000101101101
320021102020011122
411113131011231
5141022101131
612533430325
72142165242
oct527350555
9207366148
1090034541
1146905313
122619b3a5
131586489c
14bd595c9
157d86d7b
hex55dd16d

90034541 has 4 divisors (see below), whose sum is σ = 90054432. Its totient is φ = 90014652.

The previous prime is 90034519. The next prime is 90034573. The reversal of 90034541 is 14543009.

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 a de Polignac number, because none of the positive numbers 2k-90034541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90034541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90034501) 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, 506 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (22513608).

Almost surely, 290034541 is an apocalyptic number.

It is an amenable number.

90034541 is a deficient number, since it is larger than the sum of its proper divisors (19891).

90034541 is a wasteful number, since it uses less digits than its factorization.

90034541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19890.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90034541 is about 9488.6532764139. The cubic root of 90034541 is about 448.1977977680.

The spelling of 90034541 in words is "ninety million, thirty-four thousand, five hundred forty-one".

Divisors: 1 6967 12923 90034541