[go: up one dir, main page]

Search a number
-
+
30364256 = 2513471553
BaseRepresentation
bin111001111010…
…1001001100000
32010010122221002
41303311021200
530233124011
63002451132
7516043346
oct163651140
963118832
1030364256
111615a12a
12a203aa8
1363a1a20
144065996
1529ebc3b
hex1cf5260

30364256 has 48 divisors (see below), whose sum is σ = 65790144. Its totient is φ = 13707264.

The previous prime is 30364253. The next prime is 30364259. The reversal of 30364256 is 65246303.

It is an interprime number because it is at equal distance from previous prime (30364253) and next prime (30364259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30364253) 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, 18776 + ... + 20328.

It is an arithmetic number, because the mean of its divisors is an integer number (1370628).

Almost surely, 230364256 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 30364256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32895072).

30364256 is an abundant number, since it is smaller than the sum of its proper divisors (35425888).

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

30364256 is a wasteful number, since it uses less digits than its factorization.

30364256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 30364256 is about 5510.3771195808. The cubic root of 30364256 is about 311.9757815959.

The spelling of 30364256 in words is "thirty million, three hundred sixty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 47 52 94 104 188 208 376 416 611 752 1222 1504 1553 2444 3106 4888 6212 9776 12424 19552 20189 24848 40378 49696 72991 80756 145982 161512 291964 323024 583928 646048 948883 1167856 1897766 2335712 3795532 7591064 15182128 30364256