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84858072 = 23313271981
BaseRepresentation
bin1010000111011…
…01010011011000
312220200020101120
411003231103120
5133210424242
612230445240
72050165425
oct503552330
9186606346
1084858072
114399a142
1224503820
13147716a0
14b3acd4c
1576b31ec
hex50ed4d8

84858072 has 32 divisors (see below), whose sum is σ = 228464880. Its totient is φ = 26110080.

The previous prime is 84858061. The next prime is 84858073. The reversal of 84858072 is 27085848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84858073) 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, 135679 + ... + 136302.

Almost surely, 284858072 is an apocalyptic number.

It is an amenable number.

84858072 is an abundant number, since it is smaller than the sum of its proper divisors (143606808).

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

84858072 is a wasteful number, since it uses less digits than its factorization.

84858072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272003 (or 271999 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 84858072 is about 9211.8441150510. The cubic root of 84858072 is about 439.4381119653.

The spelling of 84858072 in words is "eighty-four million, eight hundred fifty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 271981 543962 815943 1087924 1631886 2175848 3263772 3535753 6527544 7071506 10607259 14143012 21214518 28286024 42429036 84858072