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93540089 = 94199931
BaseRepresentation
bin1011001001101…
…00111011111001
320112000022212202
411210310323321
5142421240324
613140515545
72214035426
oct544647371
9215008782
1093540089
114888a065
12273abbb5
13164c1386
14c5ccd4d
15832a8ae
hex5934ef9

93540089 has 4 divisors (see below), whose sum is σ = 93559440. Its totient is φ = 93520740.

The previous prime is 93540077. The next prime is 93540101. The reversal of 93540089 is 98004539.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98004539 = 277353807.

It is an interprime number because it is at equal distance from previous prime (93540077) and next prime (93540101).

It is a cyclic number.

It is not a de Polignac number, because 93540089 - 28 = 93539833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93540019) 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, 4454 + ... + 14384.

It is an arithmetic number, because the mean of its divisors is an integer number (23389860).

Almost surely, 293540089 is an apocalyptic number.

It is an amenable number.

93540089 is a deficient number, since it is larger than the sum of its proper divisors (19351).

93540089 is an equidigital number, since it uses as much as digits as its factorization.

93540089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350.

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

The square root of 93540089 is about 9671.6125335954. The cubic root of 93540089 is about 453.9408427516.

The spelling of 93540089 in words is "ninety-three million, five hundred forty thousand, eighty-nine".

Divisors: 1 9419 9931 93540089