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30146304 = 283172309
BaseRepresentation
bin111001011111…
…1111100000000
32002201120221210
41302333330000
530204140204
62554050120
7514145046
oct162777400
962646853
1030146304
1116020401
12a119940
136326766
14400a396
1529a7389
hex1cbff00

30146304 has 72 divisors (see below), whose sum is σ = 84989520. Its totient is φ = 9453568.

The previous prime is 30146297. The next prime is 30146323. The reversal of 30146304 is 40364103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (1180410).

Almost surely, 230146304 is an apocalyptic number.

30146304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30146304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42494760).

30146304 is an abundant number, since it is smaller than the sum of its proper divisors (54843216).

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

30146304 is a wasteful number, since it uses less digits than its factorization.

30146304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30146304 is about 5490.5649982493. The cubic root of 30146304 is about 311.2275434194.

The spelling of 30146304 in words is "thirty million, one hundred forty-six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 544 768 816 1088 1632 2176 2309 3264 4352 4618 6528 6927 9236 13056 13854 18472 27708 36944 39253 55416 73888 78506 110832 117759 147776 157012 221664 235518 295552 314024 443328 471036 591104 628048 886656 942072 1256096 1773312 1884144 2512192 3768288 5024384 7536576 10048768 15073152 30146304