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40063420 = 22512715773
BaseRepresentation
bin1001100011010…
…1000110111100
32210101102200101
42120311012330
540224012140
63550410444
7664350655
oct230650674
983342611
1040063420
1120684271
1211500a24
1383b9687
14546c52c
1537b599a
hex26351bc

40063420 has 24 divisors (see below), whose sum is σ = 84801024. Its totient is φ = 15898176.

The previous prime is 40063403. The next prime is 40063421. The reversal of 40063420 is 2436004.

40063420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40063421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5347 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (3533376).

Almost surely, 240063420 is an apocalyptic number.

It is an amenable number.

40063420 is an abundant number, since it is smaller than the sum of its proper divisors (44737604).

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

40063420 is a wasteful number, since it uses less digits than its factorization.

40063420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909 (or 15907 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40063420 is about 6329.5671257994. The cubic root of 40063420 is about 342.1758383535.

Adding to 40063420 its reverse (2436004), we get a palindrome (42499424).

The spelling of 40063420 in words is "forty million, sixty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 15773 31546 63092 78865 157730 315460 2003171 4006342 8012684 10015855 20031710 40063420