Base | Representation |
---|---|
bin | 1010011110110… |
… | …00110110100010 |
3 | 20010102210121120 |
4 | 11033120312202 |
5 | 140001420114 |
6 | 12420233110 |
7 | 2115210426 |
oct | 517306642 |
9 | 203383546 |
10 | 87920034 |
11 | 456a0694 |
12 | 2553b796 |
13 | 152a42b7 |
14 | b968b86 |
15 | 7aba5a9 |
hex | 53d8da2 |
87920034 has 8 divisors (see below), whose sum is σ = 175840080. Its totient is φ = 29306676.
The previous prime is 87920023. The next prime is 87920059. The reversal of 87920034 is 43002978.
It is a sphenic number, since it is the product of 3 distinct primes.
87920034 is an admirable number.
It is a super-2 number, since 2×879200342 = 15459864757122312, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87919977 and 87920004.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7326664 + ... + 7326675.
It is an arithmetic number, because the mean of its divisors is an integer number (21980010).
Almost surely, 287920034 is an apocalyptic number.
87920034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87920034 is a wasteful number, since it uses less digits than its factorization.
87920034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14653344.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 87920034 is about 9376.5683488150. The cubic root of 87920034 is about 444.6612478957.
The spelling of 87920034 in words is "eighty-seven million, nine hundred twenty thousand, thirty-four".
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