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248392331 = 1122581121
BaseRepresentation
bin11101100111000…
…10101010001011
3122022101122012222
432303202222023
51002042023311
640351524255
76104204615
oct1663425213
9568348188
10248392331
11118235920
126b22968b
133c5cba15
1424dbbdb5
1516c17adb
hexece2a8b

248392331 has 4 divisors (see below), whose sum is σ = 270973464. Its totient is φ = 225811200.

The previous prime is 248392327. The next prime is 248392399. The reversal of 248392331 is 133293842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248392331 - 22 = 248392327 is a prime.

It is a super-2 number, since 2×2483923312 = 123397500199227122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248392291 and 248392300.

It is not an unprimeable number, because it can be changed into a prime (248392231) 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, 11290550 + ... + 11290571.

It is an arithmetic number, because the mean of its divisors is an integer number (67743366).

Almost surely, 2248392331 is an apocalyptic number.

248392331 is a deficient number, since it is larger than the sum of its proper divisors (22581133).

248392331 is a wasteful number, since it uses less digits than its factorization.

248392331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22581132.

The product of its digits is 31104, while the sum is 35.

The square root of 248392331 is about 15760.4673471316. The cubic root of 248392331 is about 628.6072626487.

The spelling of 248392331 in words is "two hundred forty-eight million, three hundred ninety-two thousand, three hundred thirty-one".

Divisors: 1 11 22581121 248392331