Search a number
-
+
30003124 = 227500781
BaseRepresentation
bin111001001110…
…0111110110100
32002110022112211
41302130332310
530140044444
62551023204
7513010444
oct162347664
962408484
1030003124
1115a32878
12a06ab04
1362a6538
143db0124
152979c34
hex1c9cfb4

30003124 has 6 divisors (see below), whose sum is σ = 52505474. Its totient is φ = 15001560.

The previous prime is 30003119. The next prime is 30003143. The reversal of 30003124 is 42130003.

It can be written as a sum of positive squares in only one way, i.e., 23912100 + 6091024 = 4890^2 + 2468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750387 + ... + 3750394.

Almost surely, 230003124 is an apocalyptic number.

It is an amenable number.

30003124 is a deficient number, since it is larger than the sum of its proper divisors (22502350).

30003124 is a wasteful number, since it uses less digits than its factorization.

30003124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500785 (or 7500783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30003124 is about 5477.5107485061. The cubic root of 30003124 is about 310.7340357703.

Adding to 30003124 its reverse (42130003), we get a palindrome (72133127).

The spelling of 30003124 in words is "thirty million, three thousand, one hundred twenty-four".

Divisors: 1 2 4 7500781 15001562 30003124