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40755380 = 22519107251
BaseRepresentation
bin1001101101111…
…0000010110100
32211200120212112
42123132002310
540413133010
64013310152
71003262231
oct233360264
984616775
1040755380
1121007136
1211795358
13859c613
1455ac788
1538a0a05
hex26de0b4

40755380 has 24 divisors (see below), whose sum is σ = 90091680. Its totient is φ = 15444000.

The previous prime is 40755373. The next prime is 40755391. The reversal of 40755380 is 8355704.

It is a happy number.

40755380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×407553802 = 3322001997888800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 53246 + ... + 54005.

It is an arithmetic number, because the mean of its divisors is an integer number (3753820).

Almost surely, 240755380 is an apocalyptic number.

It is an amenable number.

40755380 is an abundant number, since it is smaller than the sum of its proper divisors (49336300).

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

40755380 is a wasteful number, since it uses less digits than its factorization.

40755380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107279 (or 107277 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40755380 is about 6383.9940476163. The cubic root of 40755380 is about 344.1345809276.

The spelling of 40755380 in words is "forty million, seven hundred fifty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 107251 214502 429004 536255 1072510 2037769 2145020 4075538 8151076 10188845 20377690 40755380