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30516160 = 265472029
BaseRepresentation
bin111010001101…
…0001111000000
32010102101022011
41310122033000
530303004120
63010022304
7520245253
oct164321700
963371264
1030516160
1116253274
12a277994
136425bcc
1440a509a
152a2bc5a
hex1d1a3c0

30516160 has 56 divisors (see below), whose sum is σ = 74249280. Its totient is φ = 11940864.

The previous prime is 30516151. The next prime is 30516163. The reversal of 30516160 is 6161503.

It is a super-2 number, since 2×305161602 = 1862472042291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30516163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14026 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (1325880).

Almost surely, 230516160 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 30516160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37124640).

30516160 is an abundant number, since it is smaller than the sum of its proper divisors (43733120).

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

30516160 is a wasteful number, since it uses less digits than its factorization.

30516160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30516160 is about 5524.1433725058. The cubic root of 30516160 is about 312.4951593917.

Adding to 30516160 its reverse (6161503), we get a palindrome (36677663).

The spelling of 30516160 in words is "thirty million, five hundred sixteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 160 188 235 320 376 470 752 940 1504 1880 2029 3008 3760 4058 7520 8116 10145 15040 16232 20290 32464 40580 64928 81160 95363 129856 162320 190726 324640 381452 476815 649280 762904 953630 1525808 1907260 3051616 3814520 6103232 7629040 15258080 30516160