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40574443 = 7131931757
BaseRepresentation
bin1001101011000…
…1110111101011
32211100101200011
42122301313223
540341340233
64005352351
71001606560
oct232616753
984311604
1040574443
11209a31a8
12117086b7
138538160
145562867
1538670cd
hex26b1deb

40574443 has 32 divisors (see below), whose sum is σ = 54333440. Its totient is φ = 29393280.

The previous prime is 40574437. The next prime is 40574447. The reversal of 40574443 is 34447504.

It is not a de Polignac number, because 40574443 - 25 = 40574411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (40574447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53221 + ... + 53977.

It is an arithmetic number, because the mean of its divisors is an integer number (1697920).

Almost surely, 240574443 is an apocalyptic number.

40574443 is a deficient number, since it is larger than the sum of its proper divisors (13758997).

40574443 is a wasteful number, since it uses less digits than its factorization.

40574443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 40574443 is about 6369.8071399376. The cubic root of 40574443 is about 343.6245537631.

The spelling of 40574443 in words is "forty million, five hundred seventy-four thousand, four hundred forty-three".

Divisors: 1 7 13 19 31 91 133 217 247 403 589 757 1729 2821 4123 5299 7657 9841 14383 23467 53599 68887 100681 164269 186979 305071 445873 1308853 2135497 3121111 5796349 40574443