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19349484 = 22371143487
BaseRepresentation
bin100100111001…
…1111111101100
31100102001111120
41021303333230
514423140414
61530420540
7323316330
oct111637754
940361446
1019349484
11aa16610
126591750
1340162cb
1427d97c0
151a732a9
hex1273fec

19349484 has 96 divisors (see below), whose sum is σ = 57716736. Its totient is φ = 4898880.

The previous prime is 19349413. The next prime is 19349489. The reversal of 19349484 is 48494391.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19349489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39489 + ... + 39975.

It is an arithmetic number, because the mean of its divisors is an integer number (601216).

Almost surely, 219349484 is an apocalyptic number.

19349484 is a gapful number since it is divisible by the number (14) 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 19349484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28858368).

19349484 is an abundant number, since it is smaller than the sum of its proper divisors (38367252).

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

19349484 is a wasteful number, since it uses less digits than its factorization.

19349484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 19349484 is about 4398.8048376803. The cubic root of 19349484 is about 268.4663115007.

The spelling of 19349484 in words is "nineteen million, three hundred forty-nine thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 43 44 66 77 84 86 129 132 154 172 231 258 301 308 462 473 487 516 602 903 924 946 974 1204 1419 1461 1806 1892 1948 2838 2922 3311 3409 3612 5357 5676 5844 6622 6818 9933 10227 10714 13244 13636 16071 19866 20454 20941 21428 32142 37499 39732 40908 41882 62823 64284 74998 83764 112497 125646 146587 149996 224994 230351 251292 293174 439761 449988 460702 586348 691053 879522 921404 1382106 1612457 1759044 2764212 3224914 4837371 6449828 9674742 19349484