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40616780 = 2255934421
BaseRepresentation
bin1001101011110…
…0001101001100
32211102112202012
42122330031030
540344214110
64010320352
71002144161
oct232741514
984375665
1040616780
1120a21a96
12117290b8
1385514c9
145574068
153874905
hex26bc34c

40616780 has 24 divisors (see below), whose sum is σ = 86743440. Its totient is φ = 15970880.

The previous prime is 40616777. The next prime is 40616803. The reversal of 40616780 is 8761604.

40616780 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, 16031 + ... + 18390.

It is an arithmetic number, because the mean of its divisors is an integer number (3614310).

Almost surely, 240616780 is an apocalyptic number.

It is an amenable number.

40616780 is an abundant number, since it is smaller than the sum of its proper divisors (46126660).

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

40616780 is a wasteful number, since it uses less digits than its factorization.

40616780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34489 (or 34487 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 40616780 is about 6373.1295295169. The cubic root of 40616780 is about 343.7440294280.

The spelling of 40616780 in words is "forty million, six hundred sixteen thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 34421 68842 137684 172105 344210 688420 2030839 4061678 8123356 10154195 20308390 40616780