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248385801 = 392989123
BaseRepresentation
bin11101100111000…
…01000100001001
3122022101022021010
432303201010021
51002041321201
640351434133
76104146566
oct1663410411
9568338233
10248385801
11118230a24
126b225949
133c5c8a61
1424db986d
1516c15bd6
hexece1109

248385801 has 8 divisors (see below), whose sum is σ = 331541280. Its totient is φ = 165410432.

The previous prime is 248385779. The next prime is 248385853. The reversal of 248385801 is 108583842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248385801 - 26 = 248385737 is a prime.

It is a super-2 number, since 2×2483858012 = 123391012276823202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248385801.

It is not an unprimeable number, because it can be changed into a prime (248385871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41775 + ... + 47348.

It is an arithmetic number, because the mean of its divisors is an integer number (41442660).

Almost surely, 2248385801 is an apocalyptic number.

It is an amenable number.

248385801 is a deficient number, since it is larger than the sum of its proper divisors (83155479).

248385801 is an equidigital number, since it uses as much as digits as its factorization.

248385801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90055.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 248385801 is about 15760.2601818625. The cubic root of 248385801 is about 628.6017541031.

The spelling of 248385801 in words is "two hundred forty-eight million, three hundred eighty-five thousand, eight hundred one".

Divisors: 1 3 929 2787 89123 267369 82795267 248385801