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40706574 = 236784429
BaseRepresentation
bin1001101101001…
…0001000001110
32211121002220220
42123102020032
540410102244
64012252210
71003000026
oct233221016
984532826
1040706574
1120a834a7
1211771066
13858333c
145598a86
153891319
hex26d220e

40706574 has 8 divisors (see below), whose sum is σ = 81413160. Its totient is φ = 13568856.

The previous prime is 40706557. The next prime is 40706579. The reversal of 40706574 is 47560704.

It is a sphenic number, since it is the product of 3 distinct primes.

40706574 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706579) 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, 3392209 + ... + 3392220.

It is an arithmetic number, because the mean of its divisors is an integer number (10176645).

Almost surely, 240706574 is an apocalyptic number.

40706574 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.

40706574 is a wasteful number, since it uses less digits than its factorization.

40706574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784434.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 40706574 is about 6380.1703739007. The cubic root of 40706574 is about 343.9971549702.

The spelling of 40706574 in words is "forty million, seven hundred six thousand, five hundred seventy-four".

Divisors: 1 2 3 6 6784429 13568858 20353287 40706574