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87227107 = 118395539
BaseRepresentation
bin1010011001011…
…11101011100011
320002010121002121
411030233223203
5134312231412
612353325111
72106263302
oct514575343
9202117077
1087227107
1145268020
1225266797
13150c0a96
14b828439
1579d0107
hex532fae3

87227107 has 8 divisors (see below), whose sum is σ = 96304320. Its totient is φ = 78341160.

The previous prime is 87227083. The next prime is 87227111. The reversal of 87227107 is 70172278.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87227107 is a prime.

It is a super-3 number, since 3×872271073 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87227197) 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, 46857 + ... + 48682.

It is an arithmetic number, because the mean of its divisors is an integer number (12038040).

Almost surely, 287227107 is an apocalyptic number.

87227107 is a deficient number, since it is larger than the sum of its proper divisors (9077213).

87227107 is a wasteful number, since it uses less digits than its factorization.

87227107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95633.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 87227107 is about 9339.5453315459. The cubic root of 87227107 is about 443.4899911185.

The spelling of 87227107 in words is "eighty-seven million, two hundred twenty-seven thousand, one hundred seven".

Divisors: 1 11 83 913 95539 1050929 7929737 87227107