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248223125 = 541920903
BaseRepresentation
bin11101100101110…
…01010110010101
3122022002001010002
432302321112111
51002021120000
640344141045
76102601403
oct1662712625
9568061102
10248223125
1111812a787
126b167785
133c56c9b7
1424d76473
1516bd28d5
hexecb9595

248223125 has 20 divisors (see below), whose sum is σ = 326520480. Its totient is φ = 188118000.

The previous prime is 248223113. The next prime is 248223127. The reversal of 248223125 is 521322842.

It is not a de Polignac number, because 248223125 - 212 = 248219029 is a prime.

It is a super-2 number, since 2×2482231252 = 123229439569531250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248223127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1424 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (16326024).

Almost surely, 2248223125 is an apocalyptic number.

248223125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

248223125 is a deficient number, since it is larger than the sum of its proper divisors (78297355).

248223125 is an equidigital number, since it uses as much as digits as its factorization.

248223125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942 (or 20927 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 248223125 is about 15755.0983811590. The cubic root of 248223125 is about 628.4644935045.

Adding to 248223125 its reverse (521322842), we get a palindrome (769545967).

The spelling of 248223125 in words is "two hundred forty-eight million, two hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 19 25 95 125 475 625 2375 11875 20903 104515 397157 522575 1985785 2612875 9928925 13064375 49644625 248223125