Search a number
-
+
30412252 = 22131734403
BaseRepresentation
bin111010000000…
…0110111011100
32010020002202201
41310000313130
530241143002
63003501244
7516333313
oct164006734
963202681
1030412252
11161921a2
12a227824
1363ba820
14407927a
152a0b087
hex1d00ddc

30412252 has 24 divisors (see below), whose sum is σ = 60688656. Its totient is φ = 13210368.

The previous prime is 30412247. The next prime is 30412253. The reversal of 30412252 is 25221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30412253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16318 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (2528694).

Almost surely, 230412252 is an apocalyptic number.

It is an amenable number.

30412252 is a deficient number, since it is larger than the sum of its proper divisors (30276404).

30412252 is a wasteful number, since it uses less digits than its factorization.

30412252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437 (or 34435 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30412252 is about 5514.7304557884. The cubic root of 30412252 is about 312.1400724327.

Adding to 30412252 its reverse (25221403), we get a palindrome (55633655).

The spelling of 30412252 in words is "thirty million, four hundred twelve thousand, two hundred fifty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 34403 68806 137612 447239 584851 894478 1169702 1788956 2339404 7603063 15206126 30412252