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193620054 = 2332270009
BaseRepresentation
bin10111000101001…
…10100001010110
3111111022220210010
423202212201112
5344031320204
631113541050
74540512645
oct1342464126
9444286703
10193620054
119a325681
1254a14786
13311623a4
141ba0135c
1511ee8d89
hexb8a6856

193620054 has 8 divisors (see below), whose sum is σ = 387240120. Its totient is φ = 64540016.

The previous prime is 193620047. The next prime is 193620059. The reversal of 193620054 is 450026391.

It is a sphenic number, since it is the product of 3 distinct primes.

193620054 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193620059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16134999 + ... + 16135010.

It is an arithmetic number, because the mean of its divisors is an integer number (48405015).

Almost surely, 2193620054 is an apocalyptic number.

193620054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

193620054 is a wasteful number, since it uses less digits than its factorization.

193620054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32270014.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 193620054 is about 13914.7423260368. The cubic root of 193620054 is about 578.5178705752.

The spelling of 193620054 in words is "one hundred ninety-three million, six hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 32270009 64540018 96810027 193620054