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40619072 = 261348821
BaseRepresentation
bin1001101011110…
…0110001000000
32211102122220002
42122330301000
540344302242
64010335132
71002153644
oct232746100
984378802
1040619072
1120a2378a
121172a4a8
138552570
145574c24
153875432
hex26bcc40

40619072 has 28 divisors (see below), whose sum is σ = 86805516. Its totient is φ = 18746880.

The previous prime is 40619071. The next prime is 40619077. The reversal of 40619072 is 27091604.

It can be written as a sum of positive squares in 2 ways, for example, as 18113536 + 22505536 = 4256^2 + 4744^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40619071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23579 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (3100197).

Almost surely, 240619072 is an apocalyptic number.

It is an amenable number.

40619072 is an abundant number, since it is smaller than the sum of its proper divisors (46186444).

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

40619072 is a wasteful number, since it uses less digits than its factorization.

40619072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48846 (or 48836 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40619072 is about 6373.3093444458. The cubic root of 40619072 is about 343.7504951177.

The spelling of 40619072 in words is "forty million, six hundred nineteen thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 48821 97642 195284 390568 634673 781136 1269346 1562272 2538692 3124544 5077384 10154768 20309536 40619072