[go: up one dir, main page]

Search a number
-
+
30566160 = 243455389
BaseRepresentation
bin111010010011…
…0011100010000
32010111220220000
41310212130100
530311104120
63011050000
7520544112
oct164463420
963456800
1030566160
1116287899
12a2a0900
1364428b1
1440b93b2
152a3b990
hex1d26710

30566160 has 200 divisors, whose sum is σ = 109379160. Its totient is φ = 7907328.

The previous prime is 30566101. The next prime is 30566171. The reversal of 30566160 is 6166503.

It can be written as a sum of positive squares in 4 ways, for example, as 2178576 + 28387584 = 1476^2 + 5328^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 343396 + ... + 343484.

Almost surely, 230566160 is an apocalyptic number.

30566160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30566160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54689580).

30566160 is an abundant number, since it is smaller than the sum of its proper divisors (78813000).

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

30566160 is a wasteful number, since it uses less digits than its factorization.

30566160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30566160 is about 5528.6671088066. The cubic root of 30566160 is about 312.6657382165.

It can be divided in two parts, 3056 and 6160, that added together give a square (9216 = 962).

The spelling of 30566160 in words is "thirty million, five hundred sixty-six thousand, one hundred sixty".