Search a number
-
+
19401050 = 252616361
BaseRepresentation
bin100101000000…
…0100101011010
31100111200020102
41022000211122
514431313200
61531455402
7323622554
oct112004532
940450212
1019401050
11aa51329
1265b7562
134033916
1428104d4
151a836d5
hex128095a

19401050 has 24 divisors (see below), whose sum is σ = 36683292. Its totient is φ = 7632000.

The previous prime is 19401049. The next prime is 19401059. The reversal of 19401050 is 5010491.

It can be written as a sum of positive squares in 6 ways, for example, as 833569 + 18567481 = 913^2 + 4309^2 .

It is a super-2 number, since 2×194010502 = 752801482205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19401059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131 + ... + 6230.

Almost surely, 219401050 is an apocalyptic number.

19401050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19401050 is a deficient number, since it is larger than the sum of its proper divisors (17282242).

19401050 is a wasteful number, since it uses less digits than its factorization.

19401050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 19401050 is about 4404.6623026062. The cubic root of 19401050 is about 268.7045858002.

The spelling of 19401050 in words is "nineteen million, four hundred one thousand, fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 6361 12722 31805 63610 159025 318050 388021 776042 1940105 3880210 9700525 19401050