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30530252 = 227632563
BaseRepresentation
bin111010001110…
…1101011001100
32010110002122002
41310131223030
530303432002
63010211432
7520334324
oct164355314
963402562
1030530252
1116262915
12a283b78
13642c44c
1440aa284
152a31002
hex1d1dacc

30530252 has 6 divisors (see below), whose sum is σ = 53427948. Its totient is φ = 15265124.

The previous prime is 30530251. The next prime is 30530263. The reversal of 30530252 is 25203503.

It is not an unprimeable number, because it can be changed into a prime (30530251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816278 + ... + 3816285.

It is an arithmetic number, because the mean of its divisors is an integer number (8904658).

Almost surely, 230530252 is an apocalyptic number.

It is an amenable number.

30530252 is a deficient number, since it is larger than the sum of its proper divisors (22897696).

30530252 is a wasteful number, since it uses less digits than its factorization.

30530252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632567 (or 7632565 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30530252 is about 5525.4187171652. The cubic root of 30530252 is about 312.5432541728.

Adding to 30530252 its reverse (25203503), we get a palindrome (55733755).

The spelling of 30530252 in words is "thirty million, five hundred thirty thousand, two hundred fifty-two".

Divisors: 1 2 4 7632563 15265126 30530252