Search a number
-
+
194321248 = 25117432
BaseRepresentation
bin10111001010100…
…01101101100000
3111112122112122021
423211101231200
5344221234443
631140551224
74546463152
oct1345215540
9445575567
10194321248
119a764480
12550b2514
13313495b4
141bb44ad2
15120d69ed
hexb951b60

194321248 has 36 divisors (see below), whose sum is σ = 417911508. Its totient is φ = 88208960.

The previous prime is 194321233. The next prime is 194321251. The reversal of 194321248 is 842123491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261165 + ... + 261907.

It is an arithmetic number, because the mean of its divisors is an integer number (11608653).

Almost surely, 2194321248 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 194321248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208955754).

194321248 is an abundant number, since it is smaller than the sum of its proper divisors (223590260).

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

194321248 is an frugal number, since it uses more digits than its factorization.

194321248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 756 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 194321248 is about 13939.9156381952. The cubic root of 194321248 is about 579.2153956918.

The spelling of 194321248 in words is "one hundred ninety-four million, three hundred twenty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 743 1486 2972 5944 8173 11888 16346 23776 32692 65384 130768 261536 552049 1104098 2208196 4416392 6072539 8832784 12145078 17665568 24290156 48580312 97160624 194321248