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1355353212 = 223170966089
BaseRepresentation
bin101000011001001…
…0000110001111100
310111110100002002010
41100302100301330
510233432300322
6342253531220
745405212043
oct12062206174
93443302063
101355353212
11636074a24
12319aa3b10
13187a48b65
14cc00d55a
157dec620c
hex50c90c7c

1355353212 has 24 divisors (see below), whose sum is σ = 3164389200. Its totient is φ = 451513216.

The previous prime is 1355353189. The next prime is 1355353243. The reversal of 1355353212 is 2123535531.

It is a self number, because there is not a number n which added to its sum of digits gives 1355353212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12537 + ... + 53552.

It is an arithmetic number, because the mean of its divisors is an integer number (131849550).

Almost surely, 21355353212 is an apocalyptic number.

1355353212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1355353212 is an abundant number, since it is smaller than the sum of its proper divisors (1809035988).

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

1355353212 is a wasteful number, since it uses less digits than its factorization.

1355353212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67805 (or 67803 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 1355353212 is about 36815.1220560247. The cubic root of 1355353212 is about 1106.6683674834.

Adding to 1355353212 its reverse (2123535531), we get a palindrome (3478888743).

The spelling of 1355353212 in words is "one billion, three hundred fifty-five million, three hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1709 3418 5127 6836 10254 20508 66089 132178 198267 264356 396534 793068 112946101 225892202 338838303 451784404 677676606 1355353212