Base | Representation |
---|---|
bin | 1010011000111… |
… | …01011111011111 |
3 | 20001222210220100 |
4 | 11030131133133 |
5 | 134302340412 |
6 | 12351552143 |
7 | 2105533143 |
oct | 514353737 |
9 | 201883810 |
10 | 87152607 |
11 | 45217053 |
12 | 2522b653 |
13 | 15095bb9 |
14 | b809223 |
15 | 79b7edc |
hex | 531d7df |
87152607 has 12 divisors (see below), whose sum is σ = 126880000. Its totient is φ = 57643488.
The previous prime is 87152599. The next prime is 87152609. The reversal of 87152607 is 70625178.
It is not a de Polignac number, because 87152607 - 23 = 87152599 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87152609) 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, 36982 + ... + 39267.
Almost surely, 287152607 is an apocalyptic number.
87152607 is a deficient number, since it is larger than the sum of its proper divisors (39727393).
87152607 is a wasteful number, since it uses less digits than its factorization.
87152607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76382 (or 76379 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 87152607 is about 9335.5560627099. The cubic root of 87152607 is about 443.3636946939.
The spelling of 87152607 in words is "eighty-seven million, one hundred fifty-two thousand, six hundred seven".
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