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1054236243 = 3351412081
BaseRepresentation
bin111110110101100…
…101111001010011
32201110201202020210
4332311211321103
54124341024433
6252335535203
735060601024
oct7665457123
92643652223
101054236243
114a10a8325
1225508a503
1313a549838
14a0028c4b
1562846463
hex3ed65e53

1054236243 has 4 divisors (see below), whose sum is σ = 1405648328. Its totient is φ = 702824160.

The previous prime is 1054236233. The next prime is 1054236269. The reversal of 1054236243 is 3426324501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1054236243 - 210 = 1054235219 is a prime.

It is a super-2 number, since 2×10542362432 = 2222828112109510098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054236243.

It is not an unprimeable number, because it can be changed into a prime (1054236233) 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, 175706038 + ... + 175706043.

It is an arithmetic number, because the mean of its divisors is an integer number (351412082).

Almost surely, 21054236243 is an apocalyptic number.

1054236243 is a deficient number, since it is larger than the sum of its proper divisors (351412085).

1054236243 is an equidigital number, since it uses as much as digits as its factorization.

1054236243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351412084.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1054236243 is about 32469.0043426034. The cubic root of 1054236243 is about 1017.7614121862.

The spelling of 1054236243 in words is "one billion, fifty-four million, two hundred thirty-six thousand, two hundred forty-three".

Divisors: 1 3 351412081 1054236243