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76540984 = 23133123741
BaseRepresentation
bin1001000111111…
…10110000111000
312100000200111021
410203332300320
5124043302414
611332312224
71616405362
oct443766070
9170020437
1076540984
113a229413
1221772674
1312b1bb30
14a245d32
156abdc24
hex48fec38

76540984 has 32 divisors (see below), whose sum is σ = 159546240. Its totient is φ = 34185600.

The previous prime is 76540939. The next prime is 76540993. The reversal of 76540984 is 48904567.

It is a self number, because there is not a number n which added to its sum of digits gives 76540984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8647 + ... + 15094.

It is an arithmetic number, because the mean of its divisors is an integer number (4985820).

Almost surely, 276540984 is an apocalyptic number.

It is an amenable number.

76540984 is an abundant number, since it is smaller than the sum of its proper divisors (83005256).

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

76540984 is a wasteful number, since it uses less digits than its factorization.

76540984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23791 (or 23787 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 76540984 is about 8748.7704278944. The cubic root of 76540984 is about 424.5850325611.

The spelling of 76540984 in words is "seventy-six million, five hundred forty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 23741 47482 94964 189928 308633 617266 735971 1234532 1471942 2469064 2943884 5887768 9567623 19135246 38270492 76540984