Search a number
-
+
1120454772 = 22393371231
BaseRepresentation
bin100001011001000…
…1100100001110100
32220002022222222220
41002302030201310
54243314023042
6303103122340
736523464663
oct10262144164
92802288886
101120454772
11525516288
122732a33b0
1314b1930b8
14a8b44dda
15685768ec
hex42c8c874

1120454772 has 12 divisors (see below), whose sum is σ = 2614394496. Its totient is φ = 373484920.

The previous prime is 1120454767. The next prime is 1120454779. The reversal of 1120454772 is 2774540211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120454779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46685604 + ... + 46685627.

It is an arithmetic number, because the mean of its divisors is an integer number (217866208).

Almost surely, 21120454772 is an apocalyptic number.

1120454772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120454772 is an abundant number, since it is smaller than the sum of its proper divisors (1493939724).

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

1120454772 is a wasteful number, since it uses less digits than its factorization.

1120454772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93371238 (or 93371236 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1120454772 is about 33473.1948281009. The cubic root of 1120454772 is about 1038.6393609290.

Adding to 1120454772 its reverse (2774540211), we get a palindrome (3894994983).

The spelling of 1120454772 in words is "one billion, one hundred twenty million, four hundred fifty-four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 93371231 186742462 280113693 373484924 560227386 1120454772