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87068842 = 276219203
BaseRepresentation
bin1010011000010…
…01000010101010
320001211112222221
411030021002222
5134242200332
612350104254
72105034010
oct514110252
9201745887
1087068842
114516a123
12251ab08a
1315066a33
14b7c68b0
15799d297
hex53090aa

87068842 has 8 divisors (see below), whose sum is σ = 149260896. Its totient is φ = 37315212.

The previous prime is 87068833. The next prime is 87068857. The reversal of 87068842 is 24886078.

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

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, 3109588 + ... + 3109615.

It is an arithmetic number, because the mean of its divisors is an integer number (18657612).

Almost surely, 287068842 is an apocalyptic number.

87068842 is a deficient number, since it is larger than the sum of its proper divisors (62192054).

87068842 is a wasteful number, since it uses less digits than its factorization.

87068842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219212.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 87068842 is about 9331.0686419081. The cubic root of 87068842 is about 443.2216057544.

The spelling of 87068842 in words is "eighty-seven million, sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 7 14 6219203 12438406 43534421 87068842