Search a number
-
+
1204202320 = 24521171339
BaseRepresentation
bin100011111000110…
…1010101101010000
310002220220211000221
41013301222231100
54431233433240
6315254122424
741561356636
oct10761525520
93086824027
101204202320
11568817032
12297350414
13162636169
14b5d05356
1570abaa4a
hex47c6ab50

1204202320 has 40 divisors (see below), whose sum is σ = 2813078880. Its totient is φ = 479391360.

The previous prime is 1204202317. The next prime is 1204202341. The reversal of 1204202320 is 232024021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1204202294 and 1204202303.

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, 18790 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (70326972).

Almost surely, 21204202320 is an apocalyptic number.

1204202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204202320 is an abundant number, since it is smaller than the sum of its proper divisors (1608876560).

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

1204202320 is a wasteful number, since it uses less digits than its factorization.

1204202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71563 (or 71557 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1204202320 is about 34701.6184060629. The cubic root of 1204202320 is about 1063.8975771535.

Adding to 1204202320 its reverse (232024021), we get a palindrome (1436226341).

The spelling of 1204202320 in words is "one billion, two hundred four million, two hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 211 422 844 1055 1688 2110 3376 4220 8440 16880 71339 142678 285356 356695 570712 713390 1141424 1426780 2853560 5707120 15052529 30105058 60210116 75262645 120420232 150525290 240840464 301050580 602101160 1204202320