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30101304 = 2332961709
BaseRepresentation
bin111001011010…
…0111100111000
32002122022020010
41302310330320
530201220204
62553101520
7513566622
oct162647470
962568203
1030101304
1115a9a612
12a0b78a0
13630c12c
143dd7c12
152998d89
hex1cb4f38

30101304 has 64 divisors (see below), whose sum is σ = 79236000. Its totient is φ = 9515520.

The previous prime is 30101303. The next prime is 30101321. The reversal of 30101304 is 40310103.

It is a super-3 number, since 3×301013043 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30101304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42102 + ... + 42810.

Almost surely, 230101304 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 30101304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39618000).

30101304 is an abundant number, since it is smaller than the sum of its proper divisors (49134696).

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

30101304 is a wasteful number, since it uses less digits than its factorization.

30101304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30101304 is about 5486.4655289175. The cubic root of 30101304 is about 311.0726077444.

Adding to 30101304 its reverse (40310103), we get a palindrome (70411407).

The spelling of 30101304 in words is "thirty million, one hundred one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 24 29 58 61 87 116 122 174 183 232 244 348 366 488 696 709 732 1418 1464 1769 2127 2836 3538 4254 5307 5672 7076 8508 10614 14152 17016 20561 21228 41122 42456 43249 61683 82244 86498 123366 129747 164488 172996 246732 259494 345992 493464 518988 1037976 1254221 2508442 3762663 5016884 7525326 10033768 15050652 30101304