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1055425 = 52737163
BaseRepresentation
bin100000001101011000001
31222121202211
410001223001
5232233200
634342121
711654020
oct4015301
91877684
101055425
11660a58
1242a941
132ac517
141d68b7
1515caba
hex101ac1

1055425 has 24 divisors (see below), whose sum is σ = 1545536. Its totient is φ = 699840.

The previous prime is 1055423. The next prime is 1055429. The reversal of 1055425 is 5245501.

1055425 = 812 + 822 + ... + 1542.

It is not a de Polignac number, because 1055425 - 21 = 1055423 is a prime.

It is a super-2 number, since 2×10554252 = 2227843861250, which contains 22 as substring.

It is a Duffinian number.

1055425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1055396 and 1055405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6394 + ... + 6556.

21055425 is an apocalyptic number.

It is an amenable number.

1055425 is a deficient number, since it is larger than the sum of its proper divisors (490111).

1055425 is a wasteful number, since it uses less digits than its factorization.

1055425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1055425 is about 1027.3387951401. The cubic root of 1055425 is about 101.8143811149.

The spelling of 1055425 in words is "one million, fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 37 163 175 185 259 815 925 1141 1295 4075 5705 6031 6475 28525 30155 42217 150775 211085 1055425