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30516528 = 243790823
BaseRepresentation
bin111010001101…
…0010100110000
32010102101210210
41310122110300
530303012103
63010024120
7520246320
oct164322460
963371723
1030516528
1116253579
12a278040
136426123
1440a5280
152a2be03
hex1d1a530

30516528 has 40 divisors (see below), whose sum is σ = 90097408. Its totient is φ = 8718912.

The previous prime is 30516523. The next prime is 30516539. The reversal of 30516528 is 82561503.

It is a junction number, because it is equal to n+sod(n) for n = 30516495 and 30516504.

It is not an unprimeable number, because it can be changed into a prime (30516523) 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 in 7 ways as a sum of consecutive naturals, for example, 45076 + ... + 45747.

Almost surely, 230516528 is an apocalyptic number.

It is an amenable number.

30516528 is an abundant number, since it is smaller than the sum of its proper divisors (59580880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30516528 is a wasteful number, since it uses less digits than its factorization.

30516528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90841 (or 90835 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 30516528 is about 5524.1766807371. The cubic root of 30516528 is about 312.4964155322.

The spelling of 30516528 in words is "thirty million, five hundred sixteen thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 90823 181646 272469 363292 544938 635761 726584 1089876 1271522 1453168 1907283 2179752 2543044 3814566 4359504 5086088 7629132 10172176 15258264 30516528