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1876400242 = 22081450841
BaseRepresentation
bin110111111010111…
…1001100001110010
311211202210000020021
41233311321201302
512320324301432
6510105434054
764333065433
oct15765714162
94752700207
101876400242
118831a7302
1244449b92a
1323b98cb02
1413b2c348a
15aeaea697
hex6fd79872

1876400242 has 8 divisors (see below), whose sum is σ = 2815959132. Its totient is φ = 937747200.

The previous prime is 1876400231. The next prime is 1876400243. The reversal of 1876400242 is 2420046781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1802766681 + 73633561 = 42459^2 + 8581^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1876400198 and 1876400207.

It is not an unprimeable number, because it can be changed into a prime (1876400243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221259 + ... + 229582.

Almost surely, 21876400242 is an apocalyptic number.

1876400242 is a deficient number, since it is larger than the sum of its proper divisors (939558890).

1876400242 is a wasteful number, since it uses less digits than its factorization.

1876400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452924.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1876400242 is about 43317.4357736004. The cubic root of 1876400242 is about 1233.4129202274.

The spelling of 1876400242 in words is "one billion, eight hundred seventy-six million, four hundred thousand, two hundred forty-two".

Divisors: 1 2 2081 4162 450841 901682 938200121 1876400242