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248264417 = 631739301
BaseRepresentation
bin11101100110000…
…11011011100001
3122022011010202102
432303003123201
51002023430132
640345100145
76103132652
oct1663033341
9568133672
10248264417
11118158805
126b187655
133c58572b
1424d87529
1516bdec62
hexecc36e1

248264417 has 4 divisors (see below), whose sum is σ = 248310036. Its totient is φ = 248218800.

The previous prime is 248264377. The next prime is 248264437. The reversal of 248264417 is 714462842.

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 102434641 + 145829776 = 10121^2 + 12076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248264417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248264437) 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, 13334 + ... + 25967.

It is an arithmetic number, because the mean of its divisors is an integer number (62077509).

Almost surely, 2248264417 is an apocalyptic number.

It is an amenable number.

248264417 is a deficient number, since it is larger than the sum of its proper divisors (45619).

248264417 is an equidigital number, since it uses as much as digits as its factorization.

248264417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45618.

The product of its digits is 86016, while the sum is 38.

The square root of 248264417 is about 15756.4087596127. The cubic root of 248264417 is about 628.4993399987.

The spelling of 248264417 in words is "two hundred forty-eight million, two hundred sixty-four thousand, four hundred seventeen".

Divisors: 1 6317 39301 248264417