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75980048 = 244748753
BaseRepresentation
bin1001000011101…
…01110100010000
312021222012000212
410201311310100
5123422330143
611312303252
71611551114
oct441656420
9167865025
1075980048
1139985a31
1221541b28
1312983711
14a13b744
156a0c918
hex4875d10

75980048 has 10 divisors (see below), whose sum is σ = 147211374. Its totient is φ = 37990016.

The previous prime is 75980033. The next prime is 75980053. The reversal of 75980048 is 84008957.

It can be written as a sum of positive squares in only one way, i.e., 74097664 + 1882384 = 8608^2 + 1372^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75979987 and 75980014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2374361 + ... + 2374392.

Almost surely, 275980048 is an apocalyptic number.

It is an amenable number.

75980048 is a deficient number, since it is larger than the sum of its proper divisors (71231326).

75980048 is a wasteful number, since it uses less digits than its factorization.

75980048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748761 (or 4748755 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 75980048 is about 8716.6534862870. The cubic root of 75980048 is about 423.5452880093.

The spelling of 75980048 in words is "seventy-five million, nine hundred eighty thousand, forty-eight".

Divisors: 1 2 4 8 16 4748753 9497506 18995012 37990024 75980048