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87006502 = 21121512381
BaseRepresentation
bin1010010111110…
…01110100100110
320001201101111001
411023321310212
5134233202002
612344503514
72104354162
oct513716446
9201641431
1087006502
1145127300
122517ab9a
131504454b
14b7abca2
157989a87
hex52f9d26

87006502 has 24 divisors (see below), whose sum is σ = 144463536. Its totient is φ = 39270000.

The previous prime is 87006473. The next prime is 87006503. The reversal of 87006502 is 20560078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87006503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35352 + ... + 37732.

It is an arithmetic number, because the mean of its divisors is an integer number (6019314).

Almost surely, 287006502 is an apocalyptic number.

87006502 is a deficient number, since it is larger than the sum of its proper divisors (57457034).

87006502 is a wasteful number, since it uses less digits than its factorization.

87006502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 87006502 is about 9327.7275903620. The cubic root of 87006502 is about 443.1158004659.

The spelling of 87006502 in words is "eighty-seven million, six thousand, five hundred two".

Divisors: 1 2 11 22 121 151 242 302 1661 2381 3322 4762 18271 26191 36542 52382 288101 359531 576202 719062 3954841 7909682 43503251 87006502