Search a number
-
+
30524210 = 253052421
BaseRepresentation
bin111010001110…
…0001100110010
32010102210100022
41310130030302
530303233320
63010123442
7520310603
oct164341462
963383308
1030524210
1116259322
12a280582
136429782
1440a7daa
152a2e325
hex1d1c332

30524210 has 8 divisors (see below), whose sum is σ = 54943596. Its totient is φ = 12209680.

The previous prime is 30524183. The next prime is 30524227. The reversal of 30524210 is 1242503.

It can be written as a sum of positive squares in 2 ways, for example, as 28313041 + 2211169 = 5321^2 + 1487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×305242102 = 1863454792248200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526201 + ... + 1526220.

Almost surely, 230524210 is an apocalyptic number.

30524210 is a deficient number, since it is larger than the sum of its proper divisors (24419386).

30524210 is a wasteful number, since it uses less digits than its factorization.

30524210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052428.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30524210 is about 5524.8719442173. The cubic root of 30524210 is about 312.5226351604.

Adding to 30524210 its reverse (1242503), we get a palindrome (31766713).

The spelling of 30524210 in words is "thirty million, five hundred twenty-four thousand, two hundred ten".

Divisors: 1 2 5 10 3052421 6104842 15262105 30524210