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84845108 = 2219258757
BaseRepresentation
bin1010000111010…
…10001000110100
312220122120121102
411003222020310
5133210020413
612230305232
72050112555
oct503521064
9186576542
1084845108
1143990427
12244b8218
131476880a
14b3a832c
1576ae458
hex50ea234

84845108 has 18 divisors (see below), whose sum is σ = 156707586. Its totient is φ = 40189104.

The previous prime is 84845099. The next prime is 84845129. The reversal of 84845108 is 80154848.

It can be written as a sum of positive squares in only one way, i.e., 83868964 + 976144 = 9158^2 + 988^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

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 5 ways as a sum of consecutive naturals, for example, 27935 + ... + 30822.

It is an arithmetic number, because the mean of its divisors is an integer number (8705977).

Almost surely, 284845108 is an apocalyptic number.

It is an amenable number.

84845108 is a deficient number, since it is larger than the sum of its proper divisors (71862478).

84845108 is a wasteful number, since it uses less digits than its factorization.

84845108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58799 (or 58778 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 84845108 is about 9211.1404288503. The cubic root of 84845108 is about 439.4157327711.

The spelling of 84845108 in words is "eighty-four million, eight hundred forty-five thousand, one hundred eight".

Divisors: 1 2 4 19 38 76 361 722 1444 58757 117514 235028 1116383 2232766 4465532 21211277 42422554 84845108