Base | Representation |
---|---|
bin | 10100000011011… |
… | …11101000001010 |
3 | 102201112221100000 |
4 | 22001233220022 |
5 | 321031320021 |
6 | 24405423430 |
7 | 4111632453 |
oct | 1201575012 |
9 | 381487300 |
10 | 168229386 |
11 | 86a63256 |
12 | 4840ab76 |
13 | 28b12420 |
14 | 184b212a |
15 | eb80b26 |
hex | a06fa0a |
168229386 has 48 divisors (see below), whose sum is σ = 407088864. Its totient is φ = 51760944.
The previous prime is 168229381. The next prime is 168229387. The reversal of 168229386 is 683922861.
It is a super-2 number, since 2×1682293862 = 56602252627873992, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (168229381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6996 + ... + 19631.
It is an arithmetic number, because the mean of its divisors is an integer number (8481018).
Almost surely, 2168229386 is an apocalyptic number.
168229386 is an abundant number, since it is smaller than the sum of its proper divisors (238859478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168229386 is a wasteful number, since it uses less digits than its factorization.
168229386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26657 (or 26645 counting only the distinct ones).
The product of its digits is 248832, while the sum is 45.
The square root of 168229386 is about 12970.3271354272. The cubic root of 168229386 is about 552.0358554214.
The spelling of 168229386 in words is "one hundred sixty-eight million, two hundred twenty-nine thousand, three hundred eighty-six".
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