Search a number
-
+
133250383 = 743632
BaseRepresentation
bin1111111000100…
…11110101001111
3100021201211011101
413330103311033
5233103003013
621120003531
73205416040
oct774236517
9307654141
10133250383
1169241a92
12387605a7
13217b60a6
14139a88c7
15ba718dd
hex7f13d4f

133250383 has 6 divisors (see below), whose sum is σ = 152321064. Its totient is φ = 114188436.

The previous prime is 133250353. The next prime is 133250393. The reversal of 133250383 is 383052331.

It is a happy number.

It is not a de Polignac number, because 133250383 - 213 = 133242191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133250323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28360 + ... + 32722.

It is an arithmetic number, because the mean of its divisors is an integer number (25386844).

Almost surely, 2133250383 is an apocalyptic number.

133250383 is a deficient number, since it is larger than the sum of its proper divisors (19070681).

133250383 is an frugal number, since it uses more digits than its factorization.

133250383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 133250383 is about 11543.4129701748. The cubic root of 133250383 is about 510.7669902467.

Multiplying 133250383 by its sum of digits (28), we get a square (3731010724 = 610822).

It can be divided in two parts, 1332 and 50383, that added together give a palindrome (51715).

The spelling of 133250383 in words is "one hundred thirty-three million, two hundred fifty thousand, three hundred eighty-three".

Divisors: 1 7 4363 30541 19035769 133250383