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1054246321 = 10131040717
BaseRepresentation
bin111110110101101…
…000010110110001
32201110202021002001
4332311220112301
54124341340241
6252340054001
735060642302
oct7665502661
92643667061
101054246321
114a1104957
12255094301
1313a5512bb
14a002c7a9
1562849431
hex3ed685b1

1054246321 has 4 divisors (see below), whose sum is σ = 1055288052. Its totient is φ = 1053204592.

The previous prime is 1054246307. The next prime is 1054246327. The reversal of 1054246321 is 1236424501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 168350625 + 885895696 = 12975^2 + 29764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054246321 - 29 = 1054245809 is a prime.

It is a super-2 number, since 2×10542463212 = 2222870610684070082, 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 1054246321.

It is not an unprimeable number, because it can be changed into a prime (1054246327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519346 + ... + 521371.

It is an arithmetic number, because the mean of its divisors is an integer number (263822013).

Almost surely, 21054246321 is an apocalyptic number.

It is an amenable number.

1054246321 is a deficient number, since it is larger than the sum of its proper divisors (1041731).

1054246321 is a wasteful number, since it uses less digits than its factorization.

1054246321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041730.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1054246321 is about 32469.1595363970. The cubic root of 1054246321 is about 1017.7646552818.

The spelling of 1054246321 in words is "one billion, fifty-four million, two hundred forty-six thousand, three hundred twenty-one".

Divisors: 1 1013 1040717 1054246321