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19396485 = 3254110513
BaseRepresentation
bin100100111111…
…1011110000101
31100111102222100
41021333132011
514431141420
61531422313
7323603343
oct111773605
940442870
1019396485
11aa48959
1265b4999
134031814
14280c993
151a82190
hex127f785

19396485 has 24 divisors (see below), whose sum is σ = 34443864. Its totient is φ = 10091520.

The previous prime is 19396471. The next prime is 19396543. The reversal of 19396485 is 58469391.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2232036 + 17164449 = 1494^2 + 4143^2 .

It is not a de Polignac number, because 19396485 - 25 = 19396453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 19396485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3412 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (1435161).

Almost surely, 219396485 is an apocalyptic number.

19396485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19396485 is a deficient number, since it is larger than the sum of its proper divisors (15047379).

19396485 is a wasteful number, since it uses less digits than its factorization.

19396485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565 (or 10562 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 19396485 is about 4404.1440712129. The cubic root of 19396485 is about 268.6835090602.

It can be divided in two parts, 19396 and 485, that added together give a square (19881 = 1412).

The spelling of 19396485 in words is "nineteen million, three hundred ninety-six thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 41 45 123 205 369 615 1845 10513 31539 52565 94617 157695 431033 473085 1293099 2155165 3879297 6465495 19396485