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30350304 = 2532176199
BaseRepresentation
bin111001111000…
…1101111100000
32010002221210100
41303301233200
530232202204
63002302400
7515654565
oct163615740
963087710
1030350304
111614a6a6
12a1b7a00
13639857a
14406086c
1529e7a39
hex1cf1be0

30350304 has 72 divisors (see below), whose sum is σ = 91400400. Its totient is φ = 9520128.

The previous prime is 30350293. The next prime is 30350329. The reversal of 30350304 is 40305303.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×303503042 = 1842281905784832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1797 + ... + 7995.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 230350304 is an apocalyptic number.

30350304 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 30350304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45700200).

30350304 is an abundant number, since it is smaller than the sum of its proper divisors (61050096).

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

30350304 is a wasteful number, since it uses less digits than its factorization.

30350304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30350304 is about 5509.1109990633. The cubic root of 30350304 is about 311.9279912714.

Adding to 30350304 its reverse (40305303), we get a palindrome (70655607).

The spelling of 30350304 in words is "thirty million, three hundred fifty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 6199 12398 18597 24796 37194 49592 55791 74388 99184 105383 111582 148776 198368 210766 223164 297552 316149 421532 446328 595104 632298 843064 892656 948447 1264596 1686128 1785312 1896894 2529192 3372256 3793788 5058384 7587576 10116768 15175152 30350304