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76428006 = 2312738001
BaseRepresentation
bin1001000111000…
…11001011100110
312022210221111220
410203203023212
5124031144011
611330041210
71615425114
oct443431346
9168727456
1076428006
113a161546
1221719206
1312aac595
14a216ab4
156a9a506
hex48e32e6

76428006 has 8 divisors (see below), whose sum is σ = 152856024. Its totient is φ = 25476000.

The previous prime is 76427999. The next prime is 76428017. The reversal of 76428006 is 60082467.

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

76428006 is an admirable number.

It is a super-2 number, since 2×764280062 = 11682480202272072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6368995 + ... + 6369006.

It is an arithmetic number, because the mean of its divisors is an integer number (19107003).

Almost surely, 276428006 is an apocalyptic number.

76428006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76428006 is a wasteful number, since it uses less digits than its factorization.

76428006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738006.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 76428006 is about 8742.3112504646. The cubic root of 76428006 is about 424.3760273718.

The spelling of 76428006 in words is "seventy-six million, four hundred twenty-eight thousand, six".

Divisors: 1 2 3 6 12738001 25476002 38214003 76428006