Search a number
-
+
19434036 = 2231985237
BaseRepresentation
bin100101000100…
…0101000110100
31100120100111010
41022020220310
514433342121
61532312220
7324120666
oct112105064
940510433
1019434036
11aa74096
126612670
13404593b
14281c536
151a8d376
hex1288a34

19434036 has 24 divisors (see below), whose sum is σ = 47733280. Its totient is φ = 6136992.

The previous prime is 19433989. The next prime is 19434053. The reversal of 19434036 is 63043491.

It is a junction number, because it is equal to n+sod(n) for n = 19433994 and 19434012.

It is a congruent number.

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, 42391 + ... + 42846.

Almost surely, 219434036 is an apocalyptic number.

It is an amenable number.

19434036 is an abundant number, since it is smaller than the sum of its proper divisors (28299244).

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

19434036 is a wasteful number, since it uses less digits than its factorization.

19434036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85263 (or 85261 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 19434036 is about 4408.4051537943. The cubic root of 19434036 is about 268.8567849667.

It can be divided in two parts, 194340 and 36, that added together give a triangular number (194376 = T623).

The spelling of 19434036 in words is "nineteen million, four hundred thirty-four thousand, thirty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 85237 170474 255711 340948 511422 1022844 1619503 3239006 4858509 6478012 9717018 19434036