Search a number
-
+
1350388 = 221325969
BaseRepresentation
bin101001001101011110100
32112121101101
411021223310
5321203023
644535444
714322664
oct5115364
92477341
101350388
11842626
12551584
13383860
142721a4
151ba1ad
hex149af4

1350388 has 12 divisors (see below), whose sum is σ = 2545060. Its totient is φ = 623232.

The previous prime is 1350383. The next prime is 1350403. The reversal of 1350388 is 8830531.

It can be written as a sum of positive squares in 2 ways, for example, as 209764 + 1140624 = 458^2 + 1068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12933 + ... + 13036.

21350388 is an apocalyptic number.

It is an amenable number.

1350388 is a deficient number, since it is larger than the sum of its proper divisors (1194672).

1350388 is a wasteful number, since it uses less digits than its factorization.

1350388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25986 (or 25984 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1350388 is about 1162.0619604823. The cubic root of 1350388 is about 110.5315321244.

The spelling of 1350388 in words is "one million, three hundred fifty thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 25969 51938 103876 337597 675194 1350388