Search a number
-
+
1361806424 = 231179195887
BaseRepresentation
bin101000100101011…
…1000010001011000
310111220110221012222
41101022320101120
510242110301144
6343044123212
745514110056
oct12112702130
93456427188
101361806424
11639782360
12320096508
13189198224
14ccc0d1d6
157e84d2ee
hex512b8458

1361806424 has 32 divisors (see below), whose sum is σ = 2820787200. Its totient is φ = 611164320.

The previous prime is 1361806393. The next prime is 1361806427. The reversal of 1361806424 is 4246081631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361806427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90992 + ... + 104895.

It is an arithmetic number, because the mean of its divisors is an integer number (88149600).

Almost surely, 21361806424 is an apocalyptic number.

It is an amenable number.

1361806424 is an abundant number, since it is smaller than the sum of its proper divisors (1458980776).

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

1361806424 is a wasteful number, since it uses less digits than its factorization.

1361806424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195983 (or 195979 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1361806424 is about 36902.6614758340. The cubic root of 1361806424 is about 1108.4219721498.

The spelling of 1361806424 in words is "one billion, three hundred sixty-one million, eight hundred six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 3476 6952 195887 391774 783548 1567096 2154757 4309514 8619028 15475073 17238056 30950146 61900292 123800584 170225803 340451606 680903212 1361806424