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93866053 = 424122133
BaseRepresentation
bin1011001100001…
…00100001000101
320112121220000111
411212010201011
5143012203203
613151513021
72216563651
oct546044105
9215556014
1093866053
1148a91a56
1227528771
13165a6858
14c675a61
15839226d
hex5984845

93866053 has 4 divisors (see below), whose sum is σ = 93892428. Its totient is φ = 93839680.

The previous prime is 93866051. The next prime is 93866107. The reversal of 93866053 is 35066839.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35066839 = 50776907.

It can be written as a sum of positive squares in 2 ways, for example, as 75220929 + 18645124 = 8673^2 + 4318^2 .

It is a cyclic number.

It is not a de Polignac number, because 93866053 - 21 = 93866051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93865997 and 93866015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93866051) 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, 6826 + ... + 15307.

It is an arithmetic number, because the mean of its divisors is an integer number (23473107).

Almost surely, 293866053 is an apocalyptic number.

It is an amenable number.

93866053 is a deficient number, since it is larger than the sum of its proper divisors (26375).

93866053 is a wasteful number, since it uses less digits than its factorization.

93866053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26374.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 93866053 is about 9688.4494631494. The cubic root of 93866053 is about 454.4675218427.

The spelling of 93866053 in words is "ninety-three million, eight hundred sixty-six thousand, fifty-three".

Divisors: 1 4241 22133 93866053