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84018308 = 22113121987
BaseRepresentation
bin1010000001000…
…00010010000100
312212002120110012
411000200102010
5133002041213
612200445352
72040100223
oct500402204
9185076405
1084018308
1143476220
1224179858
131453939a
14b230cba
1575994a8
hex5020484

84018308 has 36 divisors (see below), whose sum is σ = 165823056. Its totient is φ = 36939600.

The previous prime is 84018293. The next prime is 84018313. The reversal of 84018308 is 80381048.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41291 + ... + 43277.

It is an arithmetic number, because the mean of its divisors is an integer number (4606196).

Almost surely, 284018308 is an apocalyptic number.

It is an amenable number.

84018308 is a deficient number, since it is larger than the sum of its proper divisors (81804748).

84018308 is a wasteful number, since it uses less digits than its factorization.

84018308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 84018308 is about 9166.1501187794. The cubic root of 84018308 is about 437.9837292316.

The spelling of 84018308 in words is "eighty-four million, eighteen thousand, three hundred eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 961 1364 1922 1987 3844 3974 7948 10571 21142 21857 42284 43714 61597 87428 123194 246388 677567 1355134 1909507 2710268 3819014 7638028 21004577 42009154 84018308