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30568752 = 2434103229
BaseRepresentation
bin111010010011…
…1000100110000
32010112001110000
41310213010300
530311200002
63011110000
7520554504
oct164470460
963461400
1030568752
1116289835
12a2a2300
136443b26
1440ba304
152a3c61c
hex1d27130

30568752 has 100 divisors (see below), whose sum is σ = 89723920. Its totient is φ = 10046592.

The previous prime is 30568751. The next prime is 30568763. The reversal of 30568752 is 25786503.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30568751) 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 19 ways as a sum of consecutive naturals, for example, 133374 + ... + 133602.

Almost surely, 230568752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30568752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44861960).

30568752 is an abundant number, since it is smaller than the sum of its proper divisors (59155168).

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

30568752 is a wasteful number, since it uses less digits than its factorization.

30568752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 30568752 is about 5528.9015183850. The cubic root of 30568752 is about 312.6745759495.

The spelling of 30568752 in words is "thirty million, five hundred sixty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 103 108 144 162 206 216 229 309 324 412 432 458 618 648 687 824 916 927 1236 1296 1374 1648 1832 1854 2061 2472 2748 2781 3664 3708 4122 4944 5496 5562 6183 7416 8244 8343 10992 11124 12366 14832 16488 16686 18549 22248 23587 24732 32976 33372 37098 44496 47174 49464 66744 70761 74196 94348 98928 133488 141522 148392 188696 212283 283044 296784 377392 424566 566088 636849 849132 1132176 1273698 1698264 1910547 2547396 3396528 3821094 5094792 7642188 10189584 15284376 30568752