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86980198 = 2157277007
BaseRepresentation
bin1010010111100…
…11011001100110
320001200001101211
411023303121212
5134231331243
612344142034
72104214404
oct513633146
9201601354
1086980198
1145109568
122516791a
1315035596
14b7a2474
157981d9d
hex52f3666

86980198 has 8 divisors (see below), whose sum is σ = 131301792. Its totient is φ = 43212936.

The previous prime is 86980189. The next prime is 86980241. The reversal of 86980198 is 89108968.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138190 + ... + 138817.

It is an arithmetic number, because the mean of its divisors is an integer number (16412724).

Almost surely, 286980198 is an apocalyptic number.

86980198 is a deficient number, since it is larger than the sum of its proper divisors (44321594).

86980198 is a wasteful number, since it uses less digits than its factorization.

86980198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277166.

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 86980198 is about 9326.3174940595. The cubic root of 86980198 is about 443.0711413790.

It can be divided in two parts, 86980 and 198, that added together give a palindrome (87178).

The spelling of 86980198 in words is "eighty-six million, nine hundred eighty thousand, one hundred ninety-eight".

Divisors: 1 2 157 314 277007 554014 43490099 86980198