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19307672 = 2323104933
BaseRepresentation
bin100100110100…
…1110010011000
31100022221010222
41021221302120
514420321142
61525455212
7323053406
oct111516230
940287128
1019307672
11a99815a
126571508
134000277
1427c8476
151a65bd2
hex1269c98

19307672 has 16 divisors (see below), whose sum is σ = 37776240. Its totient is φ = 9234016.

The previous prime is 19307671. The next prime is 19307681. The reversal of 19307672 is 27670391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19307671) 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 3 ways as a sum of consecutive naturals, for example, 52283 + ... + 52650.

It is an arithmetic number, because the mean of its divisors is an integer number (2361015).

Almost surely, 219307672 is an apocalyptic number.

It is an amenable number.

19307672 is a deficient number, since it is larger than the sum of its proper divisors (18468568).

19307672 is a wasteful number, since it uses less digits than its factorization.

19307672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104962 (or 104958 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 19307672 is about 4394.0496128287. The cubic root of 19307672 is about 268.2727971495.

The spelling of 19307672 in words is "nineteen million, three hundred seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 23 46 92 184 104933 209866 419732 839464 2413459 4826918 9653836 19307672