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30625244 = 2213588947
BaseRepresentation
bin111010011010…
…0110111011100
32010121220221022
41310310313130
530320001434
63012223312
7521211266
oct164646734
963556838
1030625244
1116318221
12a30ab38
136463760
1440d2b36
152a4e22e
hex1d34ddc

30625244 has 12 divisors (see below), whose sum is σ = 57716904. Its totient is φ = 14134704.

The previous prime is 30625229. The next prime is 30625249. The reversal of 30625244 is 44252603.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30625249) 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, 294422 + ... + 294525.

It is an arithmetic number, because the mean of its divisors is an integer number (4809742).

Almost surely, 230625244 is an apocalyptic number.

It is an amenable number.

30625244 is a deficient number, since it is larger than the sum of its proper divisors (27091660).

30625244 is a wasteful number, since it uses less digits than its factorization.

30625244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588964 (or 588962 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 30625244 is about 5534.0079508436. The cubic root of 30625244 is about 312.8670681862.

Adding to 30625244 its reverse (44252603), we get a palindrome (74877847).

The spelling of 30625244 in words is "thirty million, six hundred twenty-five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 588947 1177894 2355788 7656311 15312622 30625244