Search a number
-
+
19379944 = 2361151263
BaseRepresentation
bin100100111101…
…1011011101000
31100110121021201
41021323123220
514430124234
61531213544
7323504203
oct111733350
940417251
1019379944
11aa37491
1265a72b4
13402712c
14280693a
151a7c314
hex127b6e8

19379944 has 32 divisors (see below), whose sum is σ = 37319040. Its totient is φ = 9432000.

The previous prime is 19379939. The next prime is 19379953. The reversal of 19379944 is 44997391.

It is a junction number, because it is equal to n+sod(n) for n = 19379894 and 19379903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73557 + ... + 73819.

It is an arithmetic number, because the mean of its divisors is an integer number (1166220).

Almost surely, 219379944 is an apocalyptic number.

It is an amenable number.

19379944 is a deficient number, since it is larger than the sum of its proper divisors (17939096).

19379944 is a wasteful number, since it uses less digits than its factorization.

19379944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 477 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 19379944 is about 4402.2657802545. The cubic root of 19379944 is about 268.6071110623.

It can be divided in two parts, 1937 and 9944, that added together give a square (11881 = 1092).

The spelling of 19379944 in words is "nineteen million, three hundred seventy-nine thousand, nine hundred forty-four".

Divisors: 1 2 4 8 61 122 151 244 263 302 488 526 604 1052 1208 2104 9211 16043 18422 32086 36844 39713 64172 73688 79426 128344 158852 317704 2422493 4844986 9689972 19379944