Search a number
-
+
30144246 = 2311241521
BaseRepresentation
bin111001011111…
…1011011110110
32002201111010120
41302333123312
530204103441
62554032410
7514136046
oct162773366
962644116
1030144246
1116019900
12a118706
136325842
144009726
1529a6966
hex1cbf6f6

30144246 has 24 divisors (see below), whose sum is σ = 66269112. Its totient is φ = 9134400.

The previous prime is 30144239. The next prime is 30144251. The reversal of 30144246 is 64244103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20035 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (2761213).

Almost surely, 230144246 is an apocalyptic number.

30144246 is an abundant number, since it is smaller than the sum of its proper divisors (36124866).

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

30144246 is a wasteful number, since it uses less digits than its factorization.

30144246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41548 (or 41537 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30144246 is about 5490.3775826440. The cubic root of 30144246 is about 311.2204610602.

Adding to 30144246 its reverse (64244103), we get a palindrome (94388349).

It can be divided in two parts, 3014 and 4246, that added together give a triangular number (7260 = T120).

The spelling of 30144246 in words is "thirty million, one hundred forty-four thousand, two hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 41521 83042 124563 249126 456731 913462 1370193 2740386 5024041 10048082 15072123 30144246