Base | Representation |
---|---|
bin | 10100001011001… |
… | …00000001100110 |
3 | 102210102210112000 |
4 | 22011210001212 |
5 | 321310333223 |
6 | 24443110130 |
7 | 4123302126 |
oct | 1205440146 |
9 | 383383460 |
10 | 169230438 |
11 | 87587373 |
12 | 48812346 |
13 | 290a2c70 |
14 | 18692c86 |
15 | eccc543 |
hex | a164066 |
169230438 has 32 divisors (see below), whose sum is σ = 404997600. Its totient is φ = 52070688.
The previous prime is 169230407. The next prime is 169230469. The reversal of 169230438 is 834032961.
It is an interprime number because it is at equal distance from previous prime (169230407) and next prime (169230469).
It is a super-2 number, since 2×1692304382 = 57277882291343688, which contains 22 as substring.
It is a nialpdrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119833 + ... + 121236.
It is an arithmetic number, because the mean of its divisors is an integer number (12656175).
Almost surely, 2169230438 is an apocalyptic number.
169230438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
169230438 is an abundant number, since it is smaller than the sum of its proper divisors (235767162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169230438 is a wasteful number, since it uses less digits than its factorization.
169230438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241093 (or 241087 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 169230438 is about 13008.8599807977. The cubic root of 169230438 is about 553.1286571433.
The spelling of 169230438 in words is "one hundred sixty-nine million, two hundred thirty thousand, four hundred thirty-eight".
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