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40056708 = 22323145133
BaseRepresentation
bin1001100011001…
…1011110000100
32210101002110210
42120303132010
540223303313
63550315420
7664322256
oct230633604
983332423
1040056708
112067a21a
12114b8b70
1383b65c3
145469cd6
1537b39c3
hex2633784

40056708 has 24 divisors (see below), whose sum is σ = 97530048. Its totient is φ = 12771616.

The previous prime is 40056707. The next prime is 40056719. The reversal of 40056708 is 80765004.

It is a happy number.

It is a super-3 number, since 3×400567083 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40056707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72291 + ... + 72842.

It is an arithmetic number, because the mean of its divisors is an integer number (4063752).

Almost surely, 240056708 is an apocalyptic number.

It is an amenable number.

40056708 is an abundant number, since it is smaller than the sum of its proper divisors (57473340).

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

40056708 is a wasteful number, since it uses less digits than its factorization.

40056708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145163 (or 145161 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 40056708 is about 6329.0368935566. The cubic root of 40056708 is about 342.1567285480.

The spelling of 40056708 in words is "forty million, fifty-six thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 145133 290266 435399 580532 870798 1741596 3338059 6676118 10014177 13352236 20028354 40056708