Base | Representation |
---|---|
bin | 1000010010100… |
… | …01000011001100 |
3 | 11211211220012100 |
4 | 10021101003030 |
5 | 120300203441 |
6 | 10522235100 |
7 | 1503030453 |
oct | 411210314 |
9 | 154756170 |
10 | 69537996 |
11 | 36285a20 |
12 | 1b355a90 |
13 | 11539458 |
14 | 9341b9a |
15 | 6188cb6 |
hex | 42510cc |
69537996 has 36 divisors (see below), whose sum is σ = 191757384. Its totient is φ = 21072000.
The previous prime is 69537917. The next prime is 69537997. The reversal of 69537996 is 69973596.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (69537997) 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, 87405 + ... + 88196.
It is an arithmetic number, because the mean of its divisors is an integer number (5326594).
Almost surely, 269537996 is an apocalyptic number.
69537996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
69537996 is an abundant number, since it is smaller than the sum of its proper divisors (122219388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69537996 is a wasteful number, since it uses less digits than its factorization.
69537996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175622 (or 175617 counting only the distinct ones).
The product of its digits is 2755620, while the sum is 54.
The square root of 69537996 is about 8338.9445375299. The cubic root of 69537996 is about 411.2198372818.
Subtracting 69537996 from its reverse (69973596), we obtain a square (435600 = 6602).
The spelling of 69537996 in words is "sixty-nine million, five hundred thirty-seven thousand, nine hundred ninety-six".
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