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40736940 = 2235678949
BaseRepresentation
bin1001101101100…
…1100010101100
32211122122120120
42123121202230
540412040230
64013044540
71003154406
oct233314254
984578516
1040736940
1120aa42a2
1211786750
1385940ca
1455a5b76
15389a310
hex26d98ac

40736940 has 24 divisors (see below), whose sum is σ = 114063600. Its totient is φ = 10863168.

The previous prime is 40736929. The next prime is 40736977. The reversal of 40736940 is 4963704.

40736940 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 7 ways as a sum of consecutive naturals, for example, 339415 + ... + 339534.

It is an arithmetic number, because the mean of its divisors is an integer number (4752650).

Almost surely, 240736940 is an apocalyptic number.

It is an amenable number.

40736940 is an abundant number, since it is smaller than the sum of its proper divisors (73326660).

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

40736940 is a wasteful number, since it uses less digits than its factorization.

40736940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678961 (or 678959 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40736940 is about 6382.5496472805. The cubic root of 40736940 is about 344.0826712249.

The spelling of 40736940 in words is "forty million, seven hundred thirty-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 678949 1357898 2036847 2715796 3394745 4073694 6789490 8147388 10184235 13578980 20368470 40736940