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133800048 = 24328231129
BaseRepresentation
bin1111111100110…
…10000001110000
3100022202202011100
413332122001300
5233223100143
621135444400
73213165414
oct776320160
9308682140
10133800048
1169587a58
1238986700
1321949335
1413aacd44
15bb2e6d3
hex7f9a070

133800048 has 60 divisors (see below), whose sum is σ = 375241360. Its totient is φ = 44506368.

The previous prime is 133800041. The next prime is 133800059. The reversal of 133800048 is 840008331.

It is a junction number, because it is equal to n+sod(n) for n = 133799994 and 133800030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133800041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117948 + ... + 119076.

Almost surely, 2133800048 is an apocalyptic number.

133800048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133800048 is an abundant number, since it is smaller than the sum of its proper divisors (241441312).

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

133800048 is a wasteful number, since it uses less digits than its factorization.

133800048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 133800048 is about 11567.1970675700. The cubic root of 133800048 is about 511.4683405326.

Adding to 133800048 its reverse (840008331), we get a palindrome (973808379).

The spelling of 133800048 in words is "one hundred thirty-three million, eight hundred thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 823 1129 1646 2258 2469 3292 3387 4516 4938 6584 6774 7407 9032 9876 10161 13168 13548 14814 18064 19752 20322 27096 29628 39504 40644 54192 59256 81288 118512 162576 929167 1858334 2787501 3716668 5575002 7433336 8362503 11150004 14866672 16725006 22300008 33450012 44600016 66900024 133800048