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248441401 = 13432231993
BaseRepresentation
bin11101100111011…
…10101000111001
3122022111010112101
432303232220321
51002100111101
640352543401
76104500645
oct1663565071
9568433471
10248441401
1111826977a
126b251b61
133c618160
1424dd1c25
1516c27401
hexeceea39

248441401 has 16 divisors (see below), whose sum is σ = 275140096. Its totient is φ = 222880896.

The previous prime is 248441393. The next prime is 248441407. The reversal of 248441401 is 104144842.

It is a cyclic number.

It is not a de Polignac number, because 248441401 - 23 = 248441393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248441401.

It is not an unprimeable number, because it can be changed into a prime (248441407) 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 15 ways as a sum of consecutive naturals, for example, 123661 + ... + 125653.

It is an arithmetic number, because the mean of its divisors is an integer number (17196256).

Almost surely, 2248441401 is an apocalyptic number.

It is an amenable number.

248441401 is a deficient number, since it is larger than the sum of its proper divisors (26698695).

248441401 is a wasteful number, since it uses less digits than its factorization.

248441401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 248441401 is about 15762.0240134318. The cubic root of 248441401 is about 628.6486537916.

It can be divided in two parts, 248441 and 401, that added together give a palindrome (248842).

The spelling of 248441401 in words is "two hundred forty-eight million, four hundred forty-one thousand, four hundred one".

Divisors: 1 13 43 223 559 1993 2899 9589 25909 85699 124657 444439 1114087 5777707 19110877 248441401