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30524752 = 241907797
BaseRepresentation
bin111010001110…
…0010101010000
32010102211002101
41310130111100
530303243002
63010130144
7520312306
oct164342520
963384071
1030524752
1116259775
12a280954
136429aab
1440a8276
152a2e587
hex1d1c550

30524752 has 10 divisors (see below), whose sum is σ = 59141738. Its totient is φ = 15262368.

The previous prime is 30524743. The next prime is 30524759. The reversal of 30524752 is 25742503.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 9217296 = 4616^2 + 3036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30524752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30524759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953883 + ... + 953914.

Almost surely, 230524752 is an apocalyptic number.

It is an amenable number.

30524752 is a deficient number, since it is larger than the sum of its proper divisors (28616986).

30524752 is a wasteful number, since it uses less digits than its factorization.

30524752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907805 (or 1907799 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 30524752 is about 5524.9209949102. The cubic root of 30524752 is about 312.5244849082.

The spelling of 30524752 in words is "thirty million, five hundred twenty-four thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 1907797 3815594 7631188 15262376 30524752