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76820902 = 2103372917
BaseRepresentation
bin1001001010000…
…11000110100110
312100112220110121
410211003012212
5124131232102
611342312154
71621652434
oct445030646
9170486417
1076820902
113a3aa754
122188865a
1312bb9372
14a2b9d54
156b26b37
hex49431a6

76820902 has 8 divisors (see below), whose sum is σ = 116350416. Its totient is φ = 38037432.

The previous prime is 76820881. The next prime is 76820957. The reversal of 76820902 is 20902867.

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

It is a congruent number.

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, 186253 + ... + 186664.

It is an arithmetic number, because the mean of its divisors is an integer number (14543802).

Almost surely, 276820902 is an apocalyptic number.

76820902 is a deficient number, since it is larger than the sum of its proper divisors (39529514).

76820902 is a wasteful number, since it uses less digits than its factorization.

76820902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373022.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 76820902 is about 8764.7533907121. The cubic root of 76820902 is about 425.1019861360.

The spelling of 76820902 in words is "seventy-six million, eight hundred twenty thousand, nine hundred two".

Divisors: 1 2 103 206 372917 745834 38410451 76820902