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93495421 = 293319097
BaseRepresentation
bin1011001001010…
…10000001111101
320111221001121101
411210222001331
5142413323141
613135533101
72213461255
oct544520175
9214831541
1093495421
1148859548
122738a191
13164a6c46
14c5ba965
15831c531
hex592a07d

93495421 has 4 divisors (see below), whose sum is σ = 93814812. Its totient is φ = 93176032.

The previous prime is 93495383. The next prime is 93495439. The reversal of 93495421 is 12459439.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72012196 + 21483225 = 8486^2 + 4635^2 .

It is a cyclic number.

It is not a de Polignac number, because 93495421 - 211 = 93493373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93495491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159256 + ... + 159841.

It is an arithmetic number, because the mean of its divisors is an integer number (23453703).

Almost surely, 293495421 is an apocalyptic number.

It is an amenable number.

93495421 is a deficient number, since it is larger than the sum of its proper divisors (319391).

93495421 is a wasteful number, since it uses less digits than its factorization.

93495421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319390.

The product of its digits is 38880, while the sum is 37.

The square root of 93495421 is about 9669.3030255546. The cubic root of 93495421 is about 453.8685747783.

The spelling of 93495421 in words is "ninety-three million, four hundred ninety-five thousand, four hundred twenty-one".

Divisors: 1 293 319097 93495421