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885507493 = 1368115961
BaseRepresentation
bin110100110001111…
…100010110100101
32021201020102220211
4310301330112211
53303142214433
6223511255421
730641455333
oct6461742645
92251212824
10885507493
11414933982
1220867a571
131115c1040
1485866b53
1552b178cd
hex34c7c5a5

885507493 has 4 divisors (see below), whose sum is σ = 953623468. Its totient is φ = 817391520.

The previous prime is 885507461. The next prime is 885507499. The reversal of 885507493 is 394705588.

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 379392484 + 506115009 = 19478^2 + 22497^2 .

It is a cyclic number.

It is not a de Polignac number, because 885507493 - 25 = 885507461 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 (885507499) 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, 34057968 + ... + 34057993.

It is an arithmetic number, because the mean of its divisors is an integer number (238405867).

Almost surely, 2885507493 is an apocalyptic number.

It is an amenable number.

885507493 is a deficient number, since it is larger than the sum of its proper divisors (68115975).

885507493 is a wasteful number, since it uses less digits than its factorization.

885507493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68115974.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 885507493 is about 29757.4779341261. The cubic root of 885507493 is about 960.2789600913.

The spelling of 885507493 in words is "eight hundred eighty-five million, five hundred seven thousand, four hundred ninety-three".

Divisors: 1 13 68115961 885507493