Base | Representation |
---|---|
bin | 111010010001… |
… | …1010010100110 |
3 | 2010111021012000 |
4 | 1310203102212 |
5 | 30310201004 |
6 | 3010510130 |
7 | 520461354 |
oct | 164432246 |
9 | 63437160 |
10 | 30553254 |
11 | 16279126 |
12 | a295346 |
13 | 6439a64 |
14 | 40b47d4 |
15 | 2a37c39 |
hex | 1d234a6 |
30553254 has 64 divisors (see below), whose sum is σ = 72441600. Its totient is φ = 9517824.
The previous prime is 30553249. The next prime is 30553291. The reversal of 30553254 is 45235503.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99369 + ... + 99675.
It is an arithmetic number, because the mean of its divisors is an integer number (1131900).
Almost surely, 230553254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30553254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36220800).
30553254 is an abundant number, since it is smaller than the sum of its proper divisors (41888346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30553254 is a wasteful number, since it uses less digits than its factorization.
30553254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434 (or 428 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 27.
The square root of 30553254 is about 5527.4997964722. The cubic root of 30553254 is about 312.6217262319.
Adding to 30553254 its reverse (45235503), we get a palindrome (75788757).
The spelling of 30553254 in words is "thirty million, five hundred fifty-three thousand, two hundred fifty-four".
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