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76214440 = 2351905361
BaseRepresentation
bin1001000101011…
…11000010101000
312022102002120001
410202233002220
5124002330230
611321312344
71613545351
oct442570250
9168362501
1076214440
113a026045
12216356b4
1312a36303
14a19cd28
156a570ca
hex48af0a8

76214440 has 16 divisors (see below), whose sum is σ = 171482580. Its totient is φ = 30485760.

The previous prime is 76214431. The next prime is 76214459. The reversal of 76214440 is 4441267.

It can be written as a sum of positive squares in 2 ways, for example, as 69588964 + 6625476 = 8342^2 + 2574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76214399 and 76214408.

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 in 3 ways as a sum of consecutive naturals, for example, 952641 + ... + 952720.

Almost surely, 276214440 is an apocalyptic number.

It is an amenable number.

76214440 is an abundant number, since it is smaller than the sum of its proper divisors (95268140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76214440 is a wasteful number, since it uses less digits than its factorization.

76214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905372 (or 1905368 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 76214440 is about 8730.0882011581. The cubic root of 76214440 is about 423.9803746701.

The spelling of 76214440 in words is "seventy-six million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1905361 3810722 7621444 9526805 15242888 19053610 38107220 76214440