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194069904 = 2437577589
BaseRepresentation
bin10111001000101…
…00010110010000
3111112011202212020
423210110112100
5344140214104
631131331440
74544365320
oct1344242620
9445152766
10194069904
119a602656
1254bb0b80
133128c082
141babb280
15120872d9
hexb914590

194069904 has 40 divisors (see below), whose sum is σ = 572969280. Its totient is φ = 55448448.

The previous prime is 194069903. The next prime is 194069917. The reversal of 194069904 is 409960491.

It is a super-3 number, since 3×1940699043 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (194069903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 288459 + ... + 289130.

It is an arithmetic number, because the mean of its divisors is an integer number (14324232).

Almost surely, 2194069904 is an apocalyptic number.

194069904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

194069904 is an abundant number, since it is smaller than the sum of its proper divisors (378899376).

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

194069904 is a wasteful number, since it uses less digits than its factorization.

194069904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577607 (or 577601 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 194069904 is about 13930.8974585272. The cubic root of 194069904 is about 578.9655600397.

The spelling of 194069904 in words is "one hundred ninety-four million, sixty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 577589 1155178 1732767 2310356 3465534 4043123 4620712 6931068 8086246 9241424 12129369 13862136 16172492 24258738 27724272 32344984 48517476 64689968 97034952 194069904