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30216004 = 227131719257
BaseRepresentation
bin111001101000…
…0111101000100
32002212010120021
41303100331010
530213403004
62555344524
7514555210
oct163207504
962763507
1030216004
1116068805
12a152144
13634c3c0
144027940
1529bcd54
hex1cd0f44

30216004 has 96 divisors (see below), whose sum is σ = 72817920. Its totient is φ = 10616832.

The previous prime is 30215993. The next prime is 30216029. The reversal of 30216004 is 40061203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117444 + ... + 117700.

It is an arithmetic number, because the mean of its divisors is an integer number (758520).

Almost surely, 230216004 is an apocalyptic number.

30216004 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 30216004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36408960).

30216004 is an abundant number, since it is smaller than the sum of its proper divisors (42601916).

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

30216004 is a wasteful number, since it uses less digits than its factorization.

30216004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30216004 is about 5496.9085857416. The cubic root of 30216004 is about 311.4672174998.

Adding to 30216004 its reverse (40061203), we get a palindrome (70277207).

It can be divided in two parts, 3021 and 6004, that added together give a square (9025 = 952).

The spelling of 30216004 in words is "thirty million, two hundred sixteen thousand, four".

Divisors: 1 2 4 7 13 14 17 19 26 28 34 38 52 68 76 91 119 133 182 221 238 247 257 266 323 364 442 476 494 514 532 646 884 988 1028 1292 1547 1729 1799 2261 3094 3341 3458 3598 4199 4369 4522 4883 6188 6682 6916 7196 8398 8738 9044 9766 13364 16796 17476 19532 23387 29393 30583 34181 46774 56797 58786 61166 63479 68362 83011 93548 113594 117572 122332 126958 136724 166022 227188 253916 332044 397579 444353 581077 795158 888706 1079143 1162154 1590316 1777412 2158286 2324308 4316572 7554001 15108002 30216004