Base | Representation |
---|---|
bin | 1000010101011… |
… | …01111111101110 |
3 | 11212120020102120 |
4 | 10022231333232 |
5 | 120344344302 |
6 | 10534333410 |
7 | 1506204420 |
oct | 412557756 |
9 | 155506376 |
10 | 69918702 |
11 | 36515a57 |
12 | 1b4ba266 |
13 | 11640819 |
14 | 9400810 |
15 | 62119bc |
hex | 42adfee |
69918702 has 64 divisors (see below), whose sum is σ = 167215104. Its totient is φ = 19069920.
The previous prime is 69918691. The next prime is 69918703. The reversal of 69918702 is 20781996.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69918703) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107743 + ... + 108389.
It is an arithmetic number, because the mean of its divisors is an integer number (2612736).
Almost surely, 269918702 is an apocalyptic number.
69918702 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 69918702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83607552).
69918702 is an abundant number, since it is smaller than the sum of its proper divisors (97296402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69918702 is a wasteful number, since it uses less digits than its factorization.
69918702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 773.
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 69918702 is about 8361.7403690859. The cubic root of 69918702 is about 411.9689194828.
The spelling of 69918702 in words is "sixty-nine million, nine hundred eighteen thousand, seven hundred two".
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