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2040636938 = 23132913499
BaseRepresentation
bin111100110100001…
…1010011000001010
312021012211002121212
41321220122120022
513134400340223
6534253533122
7101366061554
oct17150323012
95235732555
102040636938
1195798280a
1248b4a41a2
13266a04aa2
141550364d4
15be23d278
hex79a1a60a

2040636938 has 8 divisors (see below), whose sum is σ = 3159696000. Its totient is φ = 987404940.

The previous prime is 2040636931. The next prime is 2040636967. The reversal of 2040636938 is 8396360402.

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

It is a super-2 number, since 2×20406369382 = 8328398225460031688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2040636895 and 2040636904.

It is not an unprimeable number, because it can be changed into a prime (2040636931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16456688 + ... + 16456811.

It is an arithmetic number, because the mean of its divisors is an integer number (394962000).

Almost surely, 22040636938 is an apocalyptic number.

2040636938 is a deficient number, since it is larger than the sum of its proper divisors (1119059062).

2040636938 is a wasteful number, since it uses less digits than its factorization.

2040636938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32913532.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 2040636938 is about 45173.4096344299. The cubic root of 2040636938 is about 1268.3971218294.

The spelling of 2040636938 in words is "two billion, forty million, six hundred thirty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 31 62 32913499 65826998 1020318469 2040636938