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76383820 = 2254193151
BaseRepresentation
bin1001000110110…
…00011001001100
312022201200220101
410203120121030
5124023240240
611325100444
71615152232
oct443303114
9168650811
1076383820
113a131327
12216b7724
1312a95436
14a204952
156a8c39a
hex48d864c

76383820 has 24 divisors (see below), whose sum is σ = 164320128. Its totient is φ = 29808000.

The previous prime is 76383817. The next prime is 76383829. The reversal of 76383820 is 2838367.

It is a self number, because there is not a number n which added to its sum of digits gives 76383820.

It is not an unprimeable number, because it can be changed into a prime (76383829) by changing a digit.

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, 45756 + ... + 47395.

It is an arithmetic number, because the mean of its divisors is an integer number (6846672).

Almost surely, 276383820 is an apocalyptic number.

It is an amenable number.

76383820 is an abundant number, since it is smaller than the sum of its proper divisors (87936308).

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

76383820 is a wasteful number, since it uses less digits than its factorization.

76383820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93201 (or 93199 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 76383820 is about 8739.7837501851. The cubic root of 76383820 is about 424.2942288491.

The spelling of 76383820 in words is "seventy-six million, three hundred eighty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 93151 186302 372604 465755 931510 1863020 3819191 7638382 15276764 19095955 38191910 76383820