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1133421460 = 225194929077
BaseRepresentation
bin100001110001110…
…1010001110010100
32220222201202221121
41003203222032110
54310123441320
6304245053324
740041631513
oct10343521624
92828652847
101133421460
11531872356
122776b7244
13150a830b2
14aa75c67a
15697888aa
hex438ea394

1133421460 has 24 divisors (see below), whose sum is σ = 2381488200. Its totient is φ = 453120384.

The previous prime is 1133421431. The next prime is 1133421461. The reversal of 1133421460 is 641243311.

It can be written as a sum of positive squares in 4 ways, for example, as 412821124 + 720600336 = 20318^2 + 26844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133421461) 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, 24442 + ... + 53518.

It is an arithmetic number, because the mean of its divisors is an integer number (99228675).

Almost surely, 21133421460 is an apocalyptic number.

1133421460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133421460 is an abundant number, since it is smaller than the sum of its proper divisors (1248066740).

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

1133421460 is a wasteful number, since it uses less digits than its factorization.

1133421460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31035 (or 31033 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1133421460 is about 33666.3253118008. The cubic root of 1133421460 is about 1042.6306246349.

Adding to 1133421460 its reverse (641243311), we get a palindrome (1774664771).

The spelling of 1133421460 in words is "one billion, one hundred thirty-three million, four hundred twenty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 1949 3898 7796 9745 19490 29077 38980 58154 116308 145385 290770 581540 56671073 113342146 226684292 283355365 566710730 1133421460