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89950531 = 118177321
BaseRepresentation
bin1010101110010…
…00100101000011
320021020221221011
411113020211003
5141011404111
612531541351
72141365306
oct527104503
9207227834
1089950531
1146858190
122615a857
1315835588
14bd36b3d
157d6c021
hex55c8943

89950531 has 4 divisors (see below), whose sum is σ = 98127864. Its totient is φ = 81773200.

The previous prime is 89950529. The next prime is 89950571. The reversal of 89950531 is 13505998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89950531 - 21 = 89950529 is a prime.

It is a super-2 number, since 2×899505312 = 16182196054363922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89950571) 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, 4088650 + ... + 4088671.

It is an arithmetic number, because the mean of its divisors is an integer number (24531966).

Almost surely, 289950531 is an apocalyptic number.

89950531 is a deficient number, since it is larger than the sum of its proper divisors (8177333).

89950531 is a wasteful number, since it uses less digits than its factorization.

89950531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8177332.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 89950531 is about 9484.2253769088. The cubic root of 89950531 is about 448.0583519736.

The spelling of 89950531 in words is "eighty-nine million, nine hundred fifty thousand, five hundred thirty-one".

Divisors: 1 11 8177321 89950531