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248125205 = 5454910909
BaseRepresentation
bin11101100101000…
…01011100010101
3122021220001210102
432302201130111
51002010001310
640342103445
76102013046
oct1662413425
9567801712
10248125205
11118073159
126b11ab85
133c537263
1424d4c8cd
1516bb38a5
hexeca1715

248125205 has 8 divisors (see below), whose sum is σ = 297843000. Its totient is φ = 198438336.

The previous prime is 248125193. The next prime is 248125231. The reversal of 248125205 is 502521842.

248125205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22344529 + 225780676 = 4727^2 + 15026^2 .

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 248125205 - 210 = 248124181 is a prime.

It is a super-2 number, since 2×2481252052 = 123132234712584050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17291 + ... + 28199.

It is an arithmetic number, because the mean of its divisors is an integer number (37230375).

Almost surely, 2248125205 is an apocalyptic number.

It is an amenable number.

248125205 is a deficient number, since it is larger than the sum of its proper divisors (49717795).

248125205 is a wasteful number, since it uses less digits than its factorization.

248125205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 248125205 is about 15751.9905091388. The cubic root of 248125205 is about 628.3818429496.

The spelling of 248125205 in words is "two hundred forty-eight million, one hundred twenty-five thousand, two hundred five".

Divisors: 1 5 4549 10909 22745 54545 49625041 248125205