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19393052 = 2276591051
BaseRepresentation
bin100100111111…
…0101000011100
31100111021021012
41021332220130
514431034202
61531354352
7323560340
oct111765034
940437235
1019393052
11aa46318
1265b29b8
1340300a3
14280b620
151a81152
hex127ea1c

19393052 has 24 divisors (see below), whose sum is σ = 38881920. Its totient is φ = 8290800.

The previous prime is 19393037. The next prime is 19393057. The reversal of 19393052 is 25039391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19393057) 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 7 ways as a sum of consecutive naturals, for example, 17927 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (1620080).

Almost surely, 219393052 is an apocalyptic number.

It is an amenable number.

19393052 is an abundant number, since it is smaller than the sum of its proper divisors (19488868).

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

19393052 is a wasteful number, since it uses less digits than its factorization.

19393052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 19393052 is about 4403.7543074064. The cubic root of 19393052 is about 268.6676566191.

The spelling of 19393052 in words is "nineteen million, three hundred ninety-three thousand, fifty-two".

Divisors: 1 2 4 7 14 28 659 1051 1318 2102 2636 4204 4613 7357 9226 14714 18452 29428 692609 1385218 2770436 4848263 9696526 19393052