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1054149 = 3351383
BaseRepresentation
bin100000001010111000101
31222120000120
410001113011
5232213044
634332153
711650215
oct4012705
91876016
101054149
1165aaa8
1242a059
132aba75
141d6245
1515c519
hex1015c5

1054149 has 4 divisors (see below), whose sum is σ = 1405536. Its totient is φ = 702764.

The previous prime is 1054133. The next prime is 1054169. The reversal of 1054149 is 9414501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9414501 = 33138167.

It is a cyclic number.

It is not a de Polignac number, because 1054149 - 24 = 1054133 is a prime.

It is a super-2 number, since 2×10541492 = 2222460228402, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175689 + ... + 175694.

It is an arithmetic number, because the mean of its divisors is an integer number (351384).

21054149 is an apocalyptic number.

It is an amenable number.

1054149 is a deficient number, since it is larger than the sum of its proper divisors (351387).

1054149 is an equidigital number, since it uses as much as digits as its factorization.

1054149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351386.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1054149 is about 1026.7175853174. The cubic root of 1054149 is about 101.7733336566.

The spelling of 1054149 in words is "one million, fifty-four thousand, one hundred forty-nine".

Divisors: 1 3 351383 1054149