Base | Representation |
---|---|
bin | 101111111001… |
… | …001010110010 |
3 | 212121212010102 |
4 | 233321022302 |
5 | 11203224210 |
6 | 1125032402 |
7 | 211500203 |
oct | 57711262 |
9 | 25555112 |
10 | 12554930 |
11 | 70a5783 |
12 | 4255702 |
13 | 27a776b |
14 | 194b5aa |
15 | 117eea5 |
hex | bf92b2 |
12554930 has 16 divisors (see below), whose sum is σ = 22918464. Its totient is φ = 4950960.
The previous prime is 12554923. The next prime is 12554933. The reversal of 12554930 is 3945521.
It is a junction number, because it is equal to n+sod(n) for n = 12554893 and 12554902.
It is not an unprimeable number, because it can be changed into a prime (12554933) 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, 8132 + ... + 9551.
It is an arithmetic number, because the mean of its divisors is an integer number (1432404).
Almost surely, 212554930 is an apocalyptic number.
12554930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12554930 is a deficient number, since it is larger than the sum of its proper divisors (10363534).
12554930 is a wasteful number, since it uses less digits than its factorization.
12554930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17761.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 12554930 is about 3543.2936655039. The cubic root of 12554930 is about 232.4188949002.
It can be divided in two parts, 125 and 54930, that added together give a palindrome (55055).
The spelling of 12554930 in words is "twelve million, five hundred fifty-four thousand, nine hundred thirty".
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