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194362925 = 52533832
BaseRepresentation
bin10111001010110…
…11111000101101
3111112201122210212
423211123320231
5344224103200
631141512205
74550025521
oct1345337055
9445648725
10194362925
119a792819
1255112665
1331362563
141bb55d81
15120e4035
hexb95be2d

194362925 has 18 divisors (see below), whose sum is σ = 246200202. Its totient is φ = 152158240.

The previous prime is 194362891. The next prime is 194362943. The reversal of 194362925 is 529263491.

It can be written as a sum of positive squares in 3 ways, for example, as 24790441 + 169572484 = 4979^2 + 13022^2 .

It is a de Polignac number, because none of the positive numbers 2k-194362925 is a prime.

It is a super-2 number, since 2×1943629252 = 75553893229111250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 507284 + ... + 507666.

It is an arithmetic number, because the mean of its divisors is an integer number (13677789).

Almost surely, 2194362925 is an apocalyptic number.

It is an amenable number.

194362925 is a deficient number, since it is larger than the sum of its proper divisors (51837277).

194362925 is an frugal number, since it uses more digits than its factorization.

194362925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 441 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 194362925 is about 13941.4104379722. The cubic root of 194362925 is about 579.2568017564.

The spelling of 194362925 in words is "one hundred ninety-four million, three hundred sixty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 53 265 383 1325 1915 9575 20299 101495 146689 507475 733445 3667225 7774517 38872585 194362925