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248617238 = 2124308619
BaseRepresentation
bin11101101000110…
…01100100010110
3122022211001201212
432310121210112
51002121222423
640400421422
76106132412
oct1664314426
9568731655
10248617238
111183798a1
126b317872
133c67a1bc
1425039d42
1516c5e578
hexed19916

248617238 has 4 divisors (see below), whose sum is σ = 372925860. Its totient is φ = 124308618.

The previous prime is 248617219. The next prime is 248617249. The reversal of 248617238 is 832716842.

248617238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832716842 = 2416358421.

It is a junction number, because it is equal to n+sod(n) for n = 248617195 and 248617204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62154308 + ... + 62154311.

It is an arithmetic number, because the mean of its divisors is an integer number (93231465).

Almost surely, 2248617238 is an apocalyptic number.

248617238 is a deficient number, since it is larger than the sum of its proper divisors (124308622).

248617238 is a wasteful number, since it uses less digits than its factorization.

248617238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124308621.

The product of its digits is 129024, while the sum is 41.

The square root of 248617238 is about 15767.6008955072. The cubic root of 248617238 is about 628.7969297024.

The spelling of 248617238 in words is "two hundred forty-eight million, six hundred seventeen thousand, two hundred thirty-eight".

Divisors: 1 2 124308619 248617238