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40768188 = 2231491512
BaseRepresentation
bin1001101110000…
…1001010111100
32211201020102220
42123201022330
540414040223
64013445340
71003344456
oct233411274
984636386
1040768188
112101581a
12117a0850
1385a53b6
1455b32d6
1538a46e3
hex26e12bc

40768188 has 36 divisors (see below), whose sum is σ = 96402600. Its totient is φ = 13408800.

The previous prime is 40768181. The next prime is 40768199. The reversal of 40768188 is 88186704.

40768188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768181) 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 11 ways as a sum of consecutive naturals, for example, 269913 + ... + 270063.

It is an arithmetic number, because the mean of its divisors is an integer number (2677850).

Almost surely, 240768188 is an apocalyptic number.

It is an amenable number.

40768188 is an abundant number, since it is smaller than the sum of its proper divisors (55634412).

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

40768188 is a wasteful number, since it uses less digits than its factorization.

40768188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 40768188 is about 6384.9971025835. The cubic root of 40768188 is about 344.1706269995.

The spelling of 40768188 in words is "forty million, seven hundred sixty-eight thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 149 151 298 302 447 453 596 604 894 906 1788 1812 22499 22801 44998 45602 67497 68403 89996 91204 134994 136806 269988 273612 3397349 6794698 10192047 13589396 20384094 40768188