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40404875 = 53761757
BaseRepresentation
bin1001101000100…
…0011110001011
32211000210001212
42122020132023
540320424000
64002003335
71000302320
oct232103613
984023055
1040404875
1120897865
121164654b
1384a8c14
14551ab47
153831c35
hex268878b

40404875 has 32 divisors (see below), whose sum is σ = 58651008. Its totient is φ = 27216000.

The previous prime is 40404863. The next prime is 40404899. The reversal of 40404875 is 57840404.

It is not a de Polignac number, because 40404875 - 210 = 40403851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52997 + ... + 53753.

It is an arithmetic number, because the mean of its divisors is an integer number (1832844).

Almost surely, 240404875 is an apocalyptic number.

40404875 is a deficient number, since it is larger than the sum of its proper divisors (18246133).

40404875 is an equidigital number, since it uses as much as digits as its factorization.

40404875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40404875 is about 6356.4829111703. The cubic root of 40404875 is about 343.1451954652.

The spelling of 40404875 in words is "forty million, four hundred four thousand, eight hundred seventy-five".

Divisors: 1 5 7 25 35 61 125 175 305 427 757 875 1525 2135 3785 5299 7625 10675 18925 26495 46177 53375 94625 132475 230885 323239 662375 1154425 1616195 5772125 8080975 40404875