Search a number
-
+
30150772 = 2216574549
BaseRepresentation
bin111001100000…
…1000001110100
32002201211002021
41303001001310
530204311042
62554122524
7514164061
oct163010164
962654067
1030150772
11160237a3
12a120444
1363287c2
14400bc68
1529a8867
hex1cc1074

30150772 has 12 divisors (see below), whose sum is σ = 52807300. Its totient is φ = 15062976.

The previous prime is 30150763. The next prime is 30150779. The reversal of 30150772 is 27705103.

It can be written as a sum of positive squares in 2 ways, for example, as 15968016 + 14182756 = 3996^2 + 3766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30150779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354 + ... + 8902.

Almost surely, 230150772 is an apocalyptic number.

It is an amenable number.

30150772 is a deficient number, since it is larger than the sum of its proper divisors (22656528).

30150772 is a wasteful number, since it uses less digits than its factorization.

30150772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210 (or 6208 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 30150772 is about 5490.9718629765. The cubic root of 30150772 is about 311.2429183940.

Adding to 30150772 its reverse (27705103), we get a palindrome (57855875).

The spelling of 30150772 in words is "thirty million, one hundred fifty thousand, seven hundred seventy-two".

Divisors: 1 2 4 1657 3314 4549 6628 9098 18196 7537693 15075386 30150772