Search a number
-
+
1422608144 = 241723227399
BaseRepresentation
bin101010011001011…
…0100011100010000
310200010212222111112
41110302310130100
510403141430034
6353055232452
750152653416
oct12462643420
93603788445
101422608144
11670030611
12338518728
13198966089
14d6d192b6
1584d5d7ce
hex54cb4710

1422608144 has 40 divisors (see below), whose sum is σ = 3045340800. Its totient is φ = 640352768.

The previous prime is 1422608141. The next prime is 1422608171. The reversal of 1422608144 is 4418062241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422608144.

It is not an unprimeable number, because it can be changed into a prime (1422608141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107444 + ... + 119955.

It is an arithmetic number, because the mean of its divisors is an integer number (76133520).

Almost surely, 21422608144 is an apocalyptic number.

It is an amenable number.

1422608144 is an abundant number, since it is smaller than the sum of its proper divisors (1622732656).

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

1422608144 is a wasteful number, since it uses less digits than its factorization.

1422608144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227447 (or 227441 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1422608144 is about 37717.4779644663. The cubic root of 1422608144 is about 1124.6785963179.

The spelling of 1422608144 in words is "one billion, four hundred twenty-two million, six hundred eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 23 34 46 68 92 136 184 272 368 391 782 1564 3128 6256 227399 454798 909596 1819192 3638384 3865783 5230177 7731566 10460354 15463132 20920708 30926264 41841416 61852528 83682832 88913009 177826018 355652036 711304072 1422608144