Base | Representation |
---|---|
bin | 1000001111100… |
… | …10110101010111 |
3 | 11211010021211102 |
4 | 10013302311113 |
5 | 120200331322 |
6 | 10510100315 |
7 | 1466532404 |
oct | 407626527 |
9 | 154107742 |
10 | 69152087 |
11 | 36041a94 |
12 | 1b1aa69b |
13 | 114328c4 |
14 | 92812ab |
15 | 610e792 |
hex | 41f2d57 |
69152087 has 4 divisors (see below), whose sum is σ = 70623456. Its totient is φ = 67680720.
The previous prime is 69152081. The next prime is 69152113. The reversal of 69152087 is 78025196.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 69152087 - 216 = 69086551 is a prime.
It is a super-2 number, since 2×691520872 = 9564022272911138, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69152087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69152081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735614 + ... + 735707.
It is an arithmetic number, because the mean of its divisors is an integer number (17655864).
Almost surely, 269152087 is an apocalyptic number.
69152087 is a deficient number, since it is larger than the sum of its proper divisors (1471369).
69152087 is a wasteful number, since it uses less digits than its factorization.
69152087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1471368.
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 69152087 is about 8315.7733855607. The cubic root of 69152087 is about 410.4577220057.
The spelling of 69152087 in words is "sixty-nine million, one hundred fifty-two thousand, eighty-seven".
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