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30052752 = 2431016199
BaseRepresentation
bin111001010100…
…1000110010000
32002112211121220
41302221012100
530143142002
62552045040
7513305232
oct162510620
962484556
1030052752
1115a67094
12a093780
1362c2cc2
143dc4252
1529897bc
hex1ca9190

30052752 has 40 divisors (see below), whose sum is σ = 78417600. Its totient is φ = 9916800.

The previous prime is 30052751. The next prime is 30052807. The reversal of 30052752 is 25725003.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30052751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (1960440).

Almost surely, 230052752 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 30052752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39208800).

30052752 is an abundant number, since it is smaller than the sum of its proper divisors (48364848).

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

30052752 is a wasteful number, since it uses less digits than its factorization.

30052752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 30052752 is about 5482.0390367089. The cubic root of 30052752 is about 310.9052692045.

Adding to 30052752 its reverse (25725003), we get a palindrome (55777755).

The spelling of 30052752 in words is "thirty million, fifty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 101 202 303 404 606 808 1212 1616 2424 4848 6199 12398 18597 24796 37194 49592 74388 99184 148776 297552 626099 1252198 1878297 2504396 3756594 5008792 7513188 10017584 15026376 30052752