Search a number
-
+
19064436 = 2238319141
BaseRepresentation
bin100100010111…
…0011001110100
31022212120111020
41020232121310
514340030221
61520341140
7321021306
oct110563164
938776436
1019064436
11a841436
1264747b0
133c46641
142763976
151a18ac6
hex122e674

19064436 has 24 divisors (see below), whose sum is σ = 45021984. Its totient is φ = 6277920.

The previous prime is 19064413. The next prime is 19064443. The reversal of 19064436 is 63446091.

It is a junction number, because it is equal to n+sod(n) for n = 19064397 and 19064406.

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, 8575 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (1875916).

Almost surely, 219064436 is an apocalyptic number.

It is an amenable number.

19064436 is an abundant number, since it is smaller than the sum of its proper divisors (25957548).

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

19064436 is a wasteful number, since it uses less digits than its factorization.

19064436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19231 (or 19229 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 19064436 is about 4366.2840035893. The cubic root of 19064436 is about 267.1414756128.

The spelling of 19064436 in words is "nineteen million, sixty-four thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 19141 38282 57423 76564 114846 229692 1588703 3177406 4766109 6354812 9532218 19064436