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40800132 = 2233377779
BaseRepresentation
bin1001101110100…
…0111110000100
32211202212021000
42123220332010
540421101012
64014253300
71003536552
oct233507604
984685230
1040800132
112103781a
12117b7230
1385b6ab9
1455c0bd2
1538adddc
hex26e8f84

40800132 has 24 divisors (see below), whose sum is σ = 105778400. Its totient is φ = 13600008.

The previous prime is 40800131. The next prime is 40800143. The reversal of 40800132 is 23100804.

It is a happy number.

40800132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40800131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188782 + ... + 188997.

Almost surely, 240800132 is an apocalyptic number.

It is an amenable number.

40800132 is an abundant number, since it is smaller than the sum of its proper divisors (64978268).

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

40800132 is a wasteful number, since it uses less digits than its factorization.

40800132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377792 (or 377784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40800132 is about 6387.4981017610. The cubic root of 40800132 is about 344.2604954058.

Adding to 40800132 its reverse (23100804), we get a palindrome (63900936).

The spelling of 40800132 in words is "forty million, eight hundred thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 377779 755558 1133337 1511116 2266674 3400011 4533348 6800022 10200033 13600044 20400066 40800132