Base | Representation |
---|---|
bin | 111010101011… |
… | …1100000110010 |
3 | 2010220010121020 |
4 | 1311113200302 |
5 | 30334022104 |
6 | 3015240310 |
7 | 522342105 |
oct | 165274062 |
9 | 63803536 |
10 | 30767154 |
11 | 16404900 |
12 | a379096 |
13 | 64b3222 |
14 | 412c73c |
15 | 2a7b2d9 |
hex | 1d57832 |
30767154 has 24 divisors (see below), whose sum is σ = 67638480. Its totient is φ = 9323160.
The previous prime is 30767153. The next prime is 30767167. The reversal of 30767154 is 45176703.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (30767153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20464 + ... + 21915.
It is an arithmetic number, because the mean of its divisors is an integer number (2818270).
Almost surely, 230767154 is an apocalyptic number.
30767154 is an abundant number, since it is smaller than the sum of its proper divisors (36871326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30767154 is a wasteful number, since it uses less digits than its factorization.
30767154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42406 (or 42395 counting only the distinct ones).
The product of its (nonzero) digits is 17640, while the sum is 33.
The square root of 30767154 is about 5546.8147616447. The cubic root of 30767154 is about 313.3495738778.
The spelling of 30767154 in words is "thirty million, seven hundred sixty-seven thousand, one hundred fifty-four".
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