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19152132 = 22317223421
BaseRepresentation
bin100100100001…
…1110100000100
31100001000210020
41021003310010
514400332012
61522255140
7321535056
oct111036404
940030706
1019152132
11a8a130a
1264b74b0
133c7752c
1427878d6
151a34a8c
hex1243d04

19152132 has 48 divisors (see below), whose sum is σ = 47642112. Its totient is φ = 5967360.

The previous prime is 19152127. The next prime is 19152139. The reversal of 19152132 is 23125191.

It is not an unprimeable number, because it can be changed into a prime (19152139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45282 + ... + 45702.

It is an arithmetic number, because the mean of its divisors is an integer number (992544).

Almost surely, 219152132 is an apocalyptic number.

19152132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19152132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23821056).

19152132 is an abundant number, since it is smaller than the sum of its proper divisors (28489980).

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

19152132 is a wasteful number, since it uses less digits than its factorization.

19152132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 19152132 is about 4376.3148881222. The cubic root of 19152132 is about 267.5504641742.

The spelling of 19152132 in words is "nineteen million, one hundred fifty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 223 421 446 669 842 892 1263 1338 1684 2526 2676 3791 5052 7157 7582 11373 14314 15164 21471 22746 28628 42942 45492 85884 93883 187766 281649 375532 563298 1126596 1596011 3192022 4788033 6384044 9576066 19152132