Search a number
-
+
133823072 = 257158901
BaseRepresentation
bin1111111100111…
…11101001100000
3100022210220202002
413332133221200
5233224314242
621140143132
73213322505
oct776375140
9308726662
10133823072
11695a3289
1238997aa8
1321956966
1413ab74ac
15bb36432
hex7f9fa60

133823072 has 24 divisors (see below), whose sum is σ = 267179472. Its totient is φ = 65968000.

The previous prime is 133823071. The next prime is 133823161. The reversal of 133823072 is 270328331.

It is a super-2 number, since 2×1338230722 = 35817229199034368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133823071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27179 + ... + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (11132478).

Almost surely, 2133823072 is an apocalyptic number.

It is an amenable number.

133823072 is a deficient number, since it is larger than the sum of its proper divisors (133356400).

133823072 is an equidigital number, since it uses as much as digits as its factorization.

133823072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58982 (or 58974 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 133823072 is about 11568.1922528976. The cubic root of 133823072 is about 511.4976762762.

The spelling of 133823072 in words is "one hundred thirty-three million, eight hundred twenty-three thousand, seventy-two".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 2272 58901 117802 235604 471208 942416 1884832 4181971 8363942 16727884 33455768 66911536 133823072