Search a number
-
+
194348808 = 23341072803
BaseRepresentation
bin10111001010110…
…00011100001000
3111112200221110000
423211120130020
5344223130213
631141323000
74546636413
oct1345303410
9445627400
10194348808
119a783155
1255106460
1331358cc4
141bb50b7a
15120dec73
hexb958708

194348808 has 80 divisors (see below), whose sum is σ = 549640080. Its totient is φ = 64154592.

The previous prime is 194348789. The next prime is 194348809. The reversal of 194348808 is 808843491.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (194348809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67935 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (6870501).

Almost surely, 2194348808 is an apocalyptic number.

194348808 is a gapful number since it is divisible by the number (18) 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 194348808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274820040).

194348808 is an abundant number, since it is smaller than the sum of its proper divisors (355291272).

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

194348808 is a wasteful number, since it uses less digits than its factorization.

194348808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 194348808 is about 13940.9041313682. The cubic root of 194348808 is about 579.2427771917.

The spelling of 194348808 in words is "one hundred ninety-four million, three hundred forty-eight thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 107 108 162 214 216 321 324 428 642 648 856 963 1284 1926 2568 2803 2889 3852 5606 5778 7704 8409 8667 11212 11556 16818 17334 22424 23112 25227 33636 34668 50454 67272 69336 75681 100908 151362 201816 227043 299921 302724 454086 599842 605448 899763 908172 1199684 1799526 1816344 2399368 2699289 3599052 5398578 7198104 8097867 10797156 16195734 21594312 24293601 32391468 48587202 64782936 97174404 194348808