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1055825 = 52157269
BaseRepresentation
bin100000001110001010001
31222122022122
410001301101
5232241300
634344025
711655131
oct4016121
91878278
101055825
11661291
1242b015
132ac764
141d6ac1
1515cc85
hex101c51

1055825 has 12 divisors (see below), whose sum is σ = 1322460. Its totient is φ = 836160.

The previous prime is 1055809. The next prime is 1055827. The reversal of 1055825 is 5285501.

1055825 = T180 + T181 + ... + T229.

It can be written as a sum of positive squares in 6 ways, for example, as 253009 + 802816 = 503^2 + 896^2 .

It is not a de Polignac number, because 1055825 - 24 = 1055809 is a prime.

It is a super-2 number, since 2×10558252 = 2229532861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055794 and 1055803.

It is not an unprimeable number, because it can be changed into a prime (1055827) 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 11 ways as a sum of consecutive naturals, for example, 3791 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (110205).

21055825 is an apocalyptic number.

It is an amenable number.

1055825 is a deficient number, since it is larger than the sum of its proper divisors (266635).

1055825 is a wasteful number, since it uses less digits than its factorization.

1055825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055825 is about 1027.5334544432. The cubic root of 1055825 is about 101.8272418451.

The spelling of 1055825 in words is "one million, fifty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 157 269 785 1345 3925 6725 42233 211165 1055825