Search a number
-
+
3012323420 = 225874117231
BaseRepresentation
bin1011001110001100…
…0110100001011100
321202221012212220002
42303203012201130
522132123322140
61214524313432
7134435220011
oct26343064134
97687185802
103012323420
111306418197
127009a2878
1339010a7c2
142080d3708
151296ca415
hexb38c685c

3012323420 has 24 divisors (see below), whose sum is σ = 6326970048. Its totient is φ = 1204721600.

The previous prime is 3012323401. The next prime is 3012323437. The reversal of 3012323420 is 243232103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3012323392 and 3012323401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166205 + ... + 183435.

It is an arithmetic number, because the mean of its divisors is an integer number (263623752).

Almost surely, 23012323420 is an apocalyptic number.

It is an amenable number.

3012323420 is an abundant number, since it is smaller than the sum of its proper divisors (3314646628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3012323420 is a wasteful number, since it uses less digits than its factorization.

3012323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25981 (or 25979 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3012323420 is about 54884.6373769564. The cubic root of 3012323420 is about 1444.2216998584.

Adding to 3012323420 its reverse (243232103), we get a palindrome (3255555523).

The spelling of 3012323420 in words is "three billion, twelve million, three hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8741 17231 17482 34462 34964 43705 68924 86155 87410 172310 174820 344620 150616171 301232342 602464684 753080855 1506161710 3012323420