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40776988 = 2271456321
BaseRepresentation
bin1001101110001…
…1010100011100
32211201200111211
42123203110130
540414330423
64013554204
71003412230
oct233432434
984650454
1040776988
112102139a
12117a5964
1385a93c5
1455b65c0
1538a710d
hex26e351c

40776988 has 12 divisors (see below), whose sum is σ = 81554032. Its totient is φ = 17475840.

The previous prime is 40776977. The next prime is 40777007. The reversal of 40776988 is 88967704.

40776988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40776988 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 728133 + ... + 728188.

Almost surely, 240776988 is an apocalyptic number.

It is an amenable number.

40776988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40776988 is a wasteful number, since it uses less digits than its factorization.

40776988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456332 (or 1456330 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 40776988 is about 6385.6861808266. The cubic root of 40776988 is about 344.1953888197.

The spelling of 40776988 in words is "forty million, seven hundred seventy-six thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1456321 2912642 5825284 10194247 20388494 40776988