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87010329 = 3721931153
BaseRepresentation
bin1010010111110…
…10110000011001
320001201120201210
411023322300121
5134233312304
612344533333
72104401300
oct513726031
9201646653
1087010329
114512a16a
1225181249
1315046203
14b7ad437
15798ac89
hex52fac19

87010329 has 24 divisors (see below), whose sum is σ = 142062240. Its totient is φ = 47101824.

The previous prime is 87010321. The next prime is 87010349. The reversal of 87010329 is 92301078.

It is a happy number.

It is not a de Polignac number, because 87010329 - 23 = 87010321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 87010296 and 87010305.

It is not an unprimeable number, because it can be changed into a prime (87010321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12784 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (5919260).

Almost surely, 287010329 is an apocalyptic number.

It is an amenable number.

87010329 is a deficient number, since it is larger than the sum of its proper divisors (55051911).

87010329 is a wasteful number, since it uses less digits than its factorization.

87010329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31189 (or 31182 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 87010329 is about 9327.9327291742. The cubic root of 87010329 is about 443.1222972191.

The spelling of 87010329 in words is "eighty-seven million, ten thousand, three hundred twenty-nine".

Divisors: 1 3 7 19 21 49 57 133 147 399 931 2793 31153 93459 218071 591907 654213 1526497 1775721 4143349 4579491 12430047 29003443 87010329