Search a number
-
+
1355420120 = 23533885503
BaseRepresentation
bin101000011001010…
…0001000111011000
310111110110110212012
41100302201013120
510233441420440
6342255205052
745405611105
oct12062410730
93443413765
101355420120
1163611021a
12319b16788
13187a70452
14cc029aac
157dedae65
hex50ca11d8

1355420120 has 16 divisors (see below), whose sum is σ = 3049695360. Its totient is φ = 542168032.

The previous prime is 1355420089. The next prime is 1355420137. The reversal of 1355420120 is 210245531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16942712 + ... + 16942791.

It is an arithmetic number, because the mean of its divisors is an integer number (190605960).

Almost surely, 21355420120 is an apocalyptic number.

1355420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355420120 is an abundant number, since it is smaller than the sum of its proper divisors (1694275240).

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

1355420120 is a wasteful number, since it uses less digits than its factorization.

1355420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33885514 (or 33885510 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1355420120 is about 36816.0307474882. The cubic root of 1355420120 is about 1106.6865776808.

Adding to 1355420120 its reverse (210245531), we get a palindrome (1565665651).

The spelling of 1355420120 in words is "one billion, three hundred fifty-five million, four hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 33885503 67771006 135542012 169427515 271084024 338855030 677710060 1355420120