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1052445749 = 6140514259
BaseRepresentation
bin111110101110110…
…000110000110101
32201100100210011012
4332232300300311
54123411230444
6252233322005
735036432645
oct7656606065
92640323135
101052445749
114a0095083
12254566305
1313a070884
149dac0525
15625e0b9e
hex3ebb0c35

1052445749 has 8 divisors (see below), whose sum is σ = 1070214240. Its totient is φ = 1034694000.

The previous prime is 1052445733. The next prime is 1052445811. The reversal of 1052445749 is 9475442501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052445749 - 24 = 1052445733 is a prime.

It is a super-2 number, since 2×10524457492 = 2215284109176342002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052445349) 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 7 ways as a sum of consecutive naturals, for example, 244982 + ... + 249240.

It is an arithmetic number, because the mean of its divisors is an integer number (133776780).

Almost surely, 21052445749 is an apocalyptic number.

It is an amenable number.

1052445749 is a deficient number, since it is larger than the sum of its proper divisors (17768491).

1052445749 is an equidigital number, since it uses as much as digits as its factorization.

1052445749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1052445749 is about 32441.4202679229. The cubic root of 1052445749 is about 1017.1849037300.

The spelling of 1052445749 in words is "one billion, fifty-two million, four hundred forty-five thousand, seven hundred forty-nine".

Divisors: 1 61 4051 4259 247111 259799 17253209 1052445749