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1055000445 = 3570333363
BaseRepresentation
bin111110111000100…
…000011101111101
32201112011120112120
4332320200131331
54130040003240
6252404153153
735100233022
oct7670403575
92645146476
101055000445
114a157a4a4
122553987b9
1313a756625
14a0187549
1562947ad0
hex3ee2077d

1055000445 has 8 divisors (see below), whose sum is σ = 1688000736. Its totient is φ = 562666896.

The previous prime is 1055000389. The next prime is 1055000447. The reversal of 1055000445 is 5440005501.

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

It is not a de Polignac number, because 1055000445 - 26 = 1055000381 is a prime.

It is a super-2 number, since 2×10550004452 = 2226051877900396050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055000447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35166667 + ... + 35166696.

It is an arithmetic number, because the mean of its divisors is an integer number (211000092).

Almost surely, 21055000445 is an apocalyptic number.

1055000445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055000445 is a deficient number, since it is larger than the sum of its proper divisors (633000291).

1055000445 is an equidigital number, since it uses as much as digits as its factorization.

1055000445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70333371.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1055000445 is about 32480.7703880311. The cubic root of 1055000445 is about 1018.0072734133.

Adding to 1055000445 its reverse (5440005501), we get a palindrome (6495005946).

The spelling of 1055000445 in words is "one billion, fifty-five million, four hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 15 70333363 211000089 351666815 1055000445