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40578700 = 2252834889
BaseRepresentation
bin1001101011001…
…0111010001100
32211100121111211
42122302322030
540342004300
64005424204
71001625151
oct232627214
984317454
1040578700
11209a6418
121170b064
13853a086
145564228
1538684ba
hex26b2e8c

40578700 has 36 divisors (see below), whose sum is σ = 89134920. Its totient is φ = 16032640.

The previous prime is 40578697. The next prime is 40578731. The reversal of 40578700 is 787504.

It is a happy number.

40578700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 5856 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (2475970).

Almost surely, 240578700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40578700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44567460).

40578700 is an abundant number, since it is smaller than the sum of its proper divisors (48556220).

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

40578700 is a wasteful number, since it uses less digits than its factorization.

40578700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 40578700 is about 6370.1412857173. The cubic root of 40578700 is about 343.6365708397.

The spelling of 40578700 in words is "forty million, five hundred seventy-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 2075 4150 4889 8300 9778 19556 24445 48890 97780 122225 244450 405787 488900 811574 1623148 2028935 4057870 8115740 10144675 20289350 40578700