Base | Representation |
---|---|
bin | 110111011100… |
… | …1101100010100 |
3 | 2000201000111020 |
4 | 1232321230110 |
5 | 24420302043 |
6 | 2515041140 |
7 | 502052310 |
oct | 156715424 |
9 | 60630436 |
10 | 29072148 |
11 | 15457376 |
12 | 98a01b0 |
13 | 603b871 |
14 | 3c0ab40 |
15 | 2843e83 |
hex | 1bb9b14 |
29072148 has 24 divisors (see below), whose sum is σ = 77525952. Its totient is φ = 8306304.
The previous prime is 29072137. The next prime is 29072149. The reversal of 29072148 is 84127092.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29072149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172965 + ... + 173132.
It is an arithmetic number, because the mean of its divisors is an integer number (3230248).
Almost surely, 229072148 is an apocalyptic number.
29072148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
29072148 is an abundant number, since it is smaller than the sum of its proper divisors (48453804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29072148 is a wasteful number, since it uses less digits than its factorization.
29072148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346111 (or 346109 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 29072148 is about 5391.8594195324. The cubic root of 29072148 is about 307.4862549213.
The spelling of 29072148 in words is "twenty-nine million, seventy-two thousand, one hundred forty-eight".
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