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87041867 = 1123344039
BaseRepresentation
bin1010011000000…
…10011101001011
320001210011222212
411030002131023
5134240314432
612345335335
72104562243
oct514023513
9201704885
1087041867
1145150930
122519754b
1315057683
14b7bab23
1579952b2
hex530274b

87041867 has 8 divisors (see below), whose sum is σ = 99083520. Its totient is φ = 75688360.

The previous prime is 87041861. The next prime is 87041879. The reversal of 87041867 is 76814078.

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

It is not a de Polignac number, because 87041867 - 212 = 87037771 is a prime.

It is a super-3 number, since 3×870418673 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87041861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171767 + ... + 172272.

It is an arithmetic number, because the mean of its divisors is an integer number (12385440).

Almost surely, 287041867 is an apocalyptic number.

87041867 is a deficient number, since it is larger than the sum of its proper divisors (12041653).

87041867 is a wasteful number, since it uses less digits than its factorization.

87041867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344073.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 87041867 is about 9329.6230899217. The cubic root of 87041867 is about 443.1758291886.

The spelling of 87041867 in words is "eighty-seven million, forty-one thousand, eight hundred sixty-seven".

Divisors: 1 11 23 253 344039 3784429 7912897 87041867