Search a number
-
+
1244304152 = 237131709209
BaseRepresentation
bin100101000101010…
…1001001100011000
310012201101012101222
41022022221030120
510022020213102
6323245431212
742556260620
oct11212511430
93181335358
101244304152
11589417143
122a886b508
1316aa37160
14bb383880
157438caa2
hex4a2a9318

1244304152 has 32 divisors (see below), whose sum is σ = 2871472800. Its totient is φ = 492251904.

The previous prime is 1244304119. The next prime is 1244304223. The reversal of 1244304152 is 2514034421.

It is a super-3 number, since 3×12443041523 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 853877 + ... + 855332.

It is an arithmetic number, because the mean of its divisors is an integer number (89733525).

Almost surely, 21244304152 is an apocalyptic number.

It is an amenable number.

1244304152 is an abundant number, since it is smaller than the sum of its proper divisors (1627168648).

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

1244304152 is a wasteful number, since it uses less digits than its factorization.

1244304152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709235 (or 1709231 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1244304152 is about 35274.6956329888. The cubic root of 1244304152 is about 1075.5786758577.

Adding to 1244304152 its reverse (2514034421), we get a palindrome (3758338573).

The spelling of 1244304152 in words is "one billion, two hundred forty-four million, three hundred four thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 1709209 3418418 6836836 11964463 13673672 22219717 23928926 44439434 47857852 88878868 95715704 155538019 177757736 311076038 622152076 1244304152