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248432938 = 2139555113
BaseRepresentation
bin11101100111011…
…00100100101010
3122022110200220221
432303230210222
51002044323223
640352440254
76104434165
oct1663544452
9568420827
10248432938
11118263386
126b24908a
133c614350
1424dccadc
1516c24b5d
hexecec92a

248432938 has 8 divisors (see below), whose sum is σ = 401314788. Its totient is φ = 114661344.

The previous prime is 248432897. The next prime is 248432939. The reversal of 248432938 is 839234842.

It can be written as a sum of positive squares in 2 ways, for example, as 243266409 + 5166529 = 15597^2 + 2273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 248432894 and 248432903.

It is not an unprimeable number, because it can be changed into a prime (248432939) 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, 4777531 + ... + 4777582.

Almost surely, 2248432938 is an apocalyptic number.

248432938 is a deficient number, since it is larger than the sum of its proper divisors (152881850).

248432938 is a wasteful number, since it uses less digits than its factorization.

248432938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555128.

The product of its digits is 331776, while the sum is 43.

The square root of 248432938 is about 15761.7555494304. The cubic root of 248432938 is about 628.6415155369.

The spelling of 248432938 in words is "two hundred forty-eight million, four hundred thirty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 13 26 9555113 19110226 124216469 248432938