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76858428 = 22317376757
BaseRepresentation
bin1001001010011…
…00010000111100
312100121210221110
410211030100330
5124133432203
611343202020
71622200023
oct445142074
9170553843
1076858428
113a425969
12218a6310
1312c0047a
14a2c98ba
156b32d03
hex494c43c

76858428 has 24 divisors (see below), whose sum is σ = 189886032. Its totient is φ = 24112384.

The previous prime is 76858417. The next prime is 76858469. The reversal of 76858428 is 82485867.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 188175 + ... + 188582.

It is an arithmetic number, because the mean of its divisors is an integer number (7911918).

Almost surely, 276858428 is an apocalyptic number.

It is an amenable number.

76858428 is an abundant number, since it is smaller than the sum of its proper divisors (113027604).

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

76858428 is a wasteful number, since it uses less digits than its factorization.

76858428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376781 (or 376779 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 76858428 is about 8766.8938627087. The cubic root of 76858428 is about 425.1711937775.

The spelling of 76858428 in words is "seventy-six million, eight hundred fifty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 376757 753514 1130271 1507028 2260542 4521084 6404869 12809738 19214607 25619476 38429214 76858428