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19313052 = 22311247283
BaseRepresentation
bin100100110101…
…1000110011100
31100100012112020
41021223012130
514421004202
61525540140
7323105163
oct111530634
940305466
1019313052
11a9a1200
126574650
134002855
1427ca3da
151a675bc
hex126b19c

19313052 has 72 divisors (see below), whose sum is σ = 50765568. Its totient is φ = 5707680.

The previous prime is 19313033. The next prime is 19313053. The reversal of 19313052 is 25031391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19313053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68103 + ... + 68385.

Almost surely, 219313052 is an apocalyptic number.

19313052 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 19313052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25382784).

19313052 is an abundant number, since it is smaller than the sum of its proper divisors (31452516).

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

19313052 is a wasteful number, since it uses less digits than its factorization.

19313052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 19313052 is about 4394.6617617287. The cubic root of 19313052 is about 268.2977125236.

The spelling of 19313052 in words is "nineteen million, three hundred thirteen thousand, fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 121 132 141 188 242 282 283 363 484 517 564 566 726 849 1034 1132 1452 1551 1698 2068 3102 3113 3396 5687 6204 6226 9339 11374 12452 13301 17061 18678 22748 26602 34122 34243 37356 39903 53204 68244 68486 79806 102729 136972 146311 159612 205458 292622 410916 438933 585244 877866 1609421 1755732 3218842 4828263 6437684 9656526 19313052