Search a number
-
+
1200420796 = 221741479161
BaseRepresentation
bin100011110001100…
…1111011110111100
310002122210200202111
41013203033132330
54424301431141
6315041103404
741514260041
oct10743173674
93078720674
101200420796
11566673a03
12296027b64
13161910b83
14b55dd1c8
15705c0381
hex478cf7bc

1200420796 has 48 divisors (see below), whose sum is σ = 2327294592. Its totient is φ = 539340800.

The previous prime is 1200420791. The next prime is 1200420799. The reversal of 1200420796 is 6970240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200420791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126456 + ... + 135616.

It is an arithmetic number, because the mean of its divisors is an integer number (48485304).

Almost surely, 21200420796 is an apocalyptic number.

It is an amenable number.

1200420796 is a deficient number, since it is larger than the sum of its proper divisors (1126873796).

1200420796 is a wasteful number, since it uses less digits than its factorization.

1200420796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9268 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1200420796 is about 34647.0892861146. The cubic root of 1200420796 is about 1062.7827664653.

It can be divided in two parts, 1200420 and 796, that added together give a square (1201216 = 10962).

The spelling of 1200420796 in words is "one billion, two hundred million, four hundred twenty thousand, seven hundred ninety-six".

Divisors: 1 2 4 17 34 41 47 68 82 94 164 188 697 799 1394 1598 1927 2788 3196 3854 7708 9161 18322 32759 36644 65518 131036 155737 311474 375601 430567 622948 751202 861134 1502404 1722268 6385217 7319639 12770434 14639278 17653247 25540868 29278556 35306494 70612988 300105199 600210398 1200420796