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87134196 = 2237261183
BaseRepresentation
bin1010011000110…
…00111111110100
320001221212122110
411030120333310
5134301243241
612351331020
72105425362
oct514307764
9201855573
1087134196
1145204236
1225220a70
131508a6c6
14b802632
1579b2816
hex5318ff4

87134196 has 12 divisors (see below), whose sum is σ = 203313152. Its totient is φ = 29044728.

The previous prime is 87134191. The next prime is 87134207. The reversal of 87134196 is 69143178.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×871341962 = 15184736225132832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87134191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630580 + ... + 3630603.

Almost surely, 287134196 is an apocalyptic number.

It is an amenable number.

87134196 is an abundant number, since it is smaller than the sum of its proper divisors (116178956).

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

87134196 is a wasteful number, since it uses less digits than its factorization.

87134196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261190 (or 7261188 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 87134196 is about 9334.5699418881. The cubic root of 87134196 is about 443.3324722818.

The spelling of 87134196 in words is "eighty-seven million, one hundred thirty-four thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 7261183 14522366 21783549 29044732 43567098 87134196