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30050730 = 2335176547
BaseRepresentation
bin111001010100…
…0100110101010
32002112201212000
41302220212222
530143110410
62552031430
7513266313
oct162504652
962481760
1030050730
1115a65616
12a092576
1362c20c8
143dc360a
152988dc0
hex1ca89aa

30050730 has 64 divisors (see below), whose sum is σ = 84862080. Its totient is φ = 7540992.

The previous prime is 30050717. The next prime is 30050743. The reversal of 30050730 is 3705003.

It is an interprime number because it is at equal distance from previous prime (30050717) and next prime (30050743).

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

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, 1317 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (1325970).

Almost surely, 230050730 is an apocalyptic number.

30050730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30050730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42431040).

30050730 is an abundant number, since it is smaller than the sum of its proper divisors (54811350).

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

30050730 is a wasteful number, since it uses less digits than its factorization.

30050730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580 (or 6574 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 30050730 is about 5481.8546131761. The cubic root of 30050730 is about 310.8982963039.

Adding to 30050730 its reverse (3705003), we get a palindrome (33755733).

The spelling of 30050730 in words is "thirty million, fifty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 6547 13094 19641 32735 39282 58923 65470 98205 111299 117846 176769 196410 222598 294615 333897 353538 556495 589230 667794 883845 1001691 1112990 1669485 1767690 2003382 3005073 3338970 5008455 6010146 10016910 15025365 30050730