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76541980 = 22510935111
BaseRepresentation
bin1001000111111…
…11000000011100
312100000201212011
410203333000130
5124043320410
611332321004
71616411314
oct443770034
9170021764
1076541980
113a22a139
1221773164
1312b1c418
14a246444
156abe18a
hex48ff01c

76541980 has 24 divisors (see below), whose sum is σ = 162217440. Its totient is φ = 30335040.

The previous prime is 76541977. The next prime is 76541981. The reversal of 76541980 is 8914567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76541981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15376 + ... + 19735.

It is an arithmetic number, because the mean of its divisors is an integer number (6759060).

Almost surely, 276541980 is an apocalyptic number.

It is an amenable number.

76541980 is an abundant number, since it is smaller than the sum of its proper divisors (85675460).

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

76541980 is a wasteful number, since it uses less digits than its factorization.

76541980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35229 (or 35227 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 76541980 is about 8748.8273499938. The cubic root of 76541980 is about 424.5868742100.

The spelling of 76541980 in words is "seventy-six million, five hundred forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 35111 70222 140444 175555 351110 702220 3827099 7654198 15308396 19135495 38270990 76541980