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249016801 = 11198711393
BaseRepresentation
bin11101101011110…
…11000111100001
3122100120100211111
432311323013201
51002222014201
640413143321
76112415335
oct1665730741
9570510744
10249016801
11118622010
126b48ab41
133c78a027
14251017c5
1516cdcb51
hexed7b1e1

249016801 has 8 divisors (see below), whose sum is σ = 271815264. Its totient is φ = 226245120.

The previous prime is 249016777. The next prime is 249016819. The reversal of 249016801 is 108610942.

It is a happy number.

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 249016801 - 213 = 249008609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249016841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16161 + ... + 27553.

It is an arithmetic number, because the mean of its divisors is an integer number (33976908).

Almost surely, 2249016801 is an apocalyptic number.

It is an amenable number.

249016801 is a deficient number, since it is larger than the sum of its proper divisors (22798463).

249016801 is a wasteful number, since it uses less digits than its factorization.

249016801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13391.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 249016801 is about 15780.2661891364. The cubic root of 249016801 is about 629.1336045509.

It can be divided in two parts, 2490 and 16801, that added together give a palindrome (19291).

The spelling of 249016801 in words is "two hundred forty-nine million, sixteen thousand, eight hundred one".

Divisors: 1 11 1987 11393 21857 125323 22637891 249016801