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19052852 = 22713173079
BaseRepresentation
bin100100010101…
…1100100110100
31022211222121012
41020223210310
514334142402
61520211352
7320642450
oct110534464
938758535
1019052852
11a833765
126469b58
133c412a0
14275d660
151a15452
hex122b934

19052852 has 48 divisors (see below), whose sum is σ = 43464960. Its totient is φ = 7091712.

The previous prime is 19052849. The next prime is 19052867. The reversal of 19052852 is 25825091.

It is a super-2 number, since 2×190528522 = 726022338667808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4649 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (905520).

Almost surely, 219052852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19052852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21732480).

19052852 is an abundant number, since it is smaller than the sum of its proper divisors (24412108).

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

19052852 is a wasteful number, since it uses less digits than its factorization.

19052852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 19052852 is about 4364.9572735595. The cubic root of 19052852 is about 267.0873575009.

The spelling of 19052852 in words is "nineteen million, fifty-two thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 13 14 17 26 28 34 52 68 91 119 182 221 238 364 442 476 884 1547 3079 3094 6158 6188 12316 21553 40027 43106 52343 80054 86212 104686 160108 209372 280189 366401 560378 680459 732802 1120756 1360918 1465604 2721836 4763213 9526426 19052852