[go: up one dir, main page]

Search a number
-
+
30506064 = 2431374639
BaseRepresentation
bin111010001011…
…1110001010000
32010101212110020
41310113301100
530302143224
63005503440
7520203651
oct164276120
963355406
1030506064
1116246726
12a271b80
136421434
1440a1528
152a28c79
hex1d17c50

30506064 has 40 divisors (see below), whose sum is σ = 79399680. Its totient is φ = 10092288.

The previous prime is 30506059. The next prime is 30506071. The reversal of 30506064 is 46060503.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4257 + ... + 8895.

It is an arithmetic number, because the mean of its divisors is an integer number (1984992).

Almost surely, 230506064 is an apocalyptic number.

It is an amenable number.

30506064 is an abundant number, since it is smaller than the sum of its proper divisors (48893616).

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

30506064 is a wasteful number, since it uses less digits than its factorization.

30506064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30506064 is about 5523.2294900719. The cubic root of 30506064 is about 312.4606935095.

Adding to 30506064 its reverse (46060503), we get a palindrome (76566567).

The spelling of 30506064 in words is "thirty million, five hundred six thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 137 274 411 548 822 1096 1644 2192 3288 4639 6576 9278 13917 18556 27834 37112 55668 74224 111336 222672 635543 1271086 1906629 2542172 3813258 5084344 7626516 10168688 15253032 30506064