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30516052 = 2271923019
BaseRepresentation
bin111010001101…
…0001101010100
32010102101011011
41310122031110
530303003202
63010022004
7520245040
oct164321524
963371134
1030516052
1116253186
12a277904
136425b48
1440a5020
152a2bbd7
hex1d1a354

30516052 has 36 divisors (see below), whose sum is σ = 64434720. Its totient is φ = 12385872.

The previous prime is 30516049. The next prime is 30516061. The reversal of 30516052 is 25061503.

It is a happy number.

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, 8599 + ... + 11617.

Almost surely, 230516052 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 30516052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32217360).

30516052 is an abundant number, since it is smaller than the sum of its proper divisors (33918668).

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

30516052 is a wasteful number, since it uses less digits than its factorization.

30516052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 30516052 is about 5524.1335972259. The cubic root of 30516052 is about 312.4947907398.

Adding to 30516052 its reverse (25061503), we get a palindrome (55577555).

The spelling of 30516052 in words is "thirty million, five hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 361 532 722 1444 2527 3019 5054 6038 10108 12076 21133 42266 57361 84532 114722 229444 401527 803054 1089859 1606108 2179718 4359436 7629013 15258026 30516052