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1230057 = 32971409
BaseRepresentation
bin100101100010011101001
32022111022200
410230103221
5303330212
642210413
713312113
oct4542351
92274280
101230057
11770184
124b3a09
13340b5a
142403b3
151946dc
hex12c4e9

1230057 has 12 divisors (see below), whose sum is σ = 1796340. Its totient is φ = 811008.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230057 is 7500321.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 1022121 = 456^2 + 1011^2 .

It is not a de Polignac number, because 1230057 - 26 = 1229993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (149695).

21230057 is an apocalyptic number.

It is an amenable number.

1230057 is a deficient number, since it is larger than the sum of its proper divisors (566283).

1230057 is a wasteful number, since it uses less digits than its factorization.

1230057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1230057 is about 1109.0793479278. The cubic root of 1230057 is about 107.1457820154.

Adding to 1230057 its reverse (7500321), we get a palindrome (8730378).

The spelling of 1230057 in words is "one million, two hundred thirty thousand, fifty-seven".

Divisors: 1 3 9 97 291 873 1409 4227 12681 136673 410019 1230057