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84807982 = 27192771151
BaseRepresentation
bin1010000111000…
…01000100101110
312220120200200101
411003201010232
5133202323412
612225421314
72046566410
oct503410456
9186520611
1084807982
1143965546
122449a83a
131475494c
14b3989b0
1576a3457
hex50e112e

84807982 has 32 divisors (see below), whose sum is σ = 153722880. Its totient is φ = 34279200.

The previous prime is 84807979. The next prime is 84807991. The reversal of 84807982 is 28970848.

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 15 ways as a sum of consecutive naturals, for example, 73107 + ... + 74257.

It is an arithmetic number, because the mean of its divisors is an integer number (4803840).

Almost surely, 284807982 is an apocalyptic number.

84807982 is a deficient number, since it is larger than the sum of its proper divisors (68914898).

84807982 is a wasteful number, since it uses less digits than its factorization.

84807982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 84807982 is about 9209.1249312842. The cubic root of 84807982 is about 439.3516311434.

The spelling of 84807982 in words is "eighty-four million, eight hundred seven thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 19 38 133 266 277 554 1151 1939 2302 3878 5263 8057 10526 16114 21869 36841 43738 73682 153083 306166 318827 637654 2231789 4463578 6057713 12115426 42403991 84807982