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87140226 = 2314523371
BaseRepresentation
bin1010011000110…
…10011110000010
320001222011220210
411030122132002
5134301441401
612351414550
72105452065
oct514323602
9201864823
1087140226
1145208818
1225224456
1315090384
14b8048dc
1579b44d6
hex531a782

87140226 has 8 divisors (see below), whose sum is σ = 174280464. Its totient is φ = 29046740.

The previous prime is 87140197. The next prime is 87140233. The reversal of 87140226 is 62204178.

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

87140226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87140193 and 87140202.

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, 7261680 + ... + 7261691.

It is an arithmetic number, because the mean of its divisors is an integer number (21785058).

Almost surely, 287140226 is an apocalyptic number.

87140226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87140226 is a wasteful number, since it uses less digits than its factorization.

87140226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14523376.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87140226 is about 9334.8929292199. The cubic root of 87140226 is about 443.3426987802.

The spelling of 87140226 in words is "eighty-seven million, one hundred forty thousand, two hundred twenty-six".

Divisors: 1 2 3 6 14523371 29046742 43570113 87140226