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1230056 = 23153757
BaseRepresentation
bin100101100010011101000
32022111022122
410230103220
5303330211
642210412
713312112
oct4542350
92274278
101230056
11770183
124b3a08
13340b59
142403b2
151946db
hex12c4e8

1230056 has 8 divisors (see below), whose sum is σ = 2306370. Its totient is φ = 615024.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230056 is 6500321.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 401956 = 910^2 + 634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76871 + ... + 76886.

21230056 is an apocalyptic number.

It is an amenable number.

1230056 is a deficient number, since it is larger than the sum of its proper divisors (1076314).

1230056 is a wasteful number, since it uses less digits than its factorization.

1230056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153763 (or 153759 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1230056 is about 1109.0788971034. The cubic root of 1230056 is about 107.1457529799.

Adding to 1230056 its reverse (6500321), we get a palindrome (7730377).

The spelling of 1230056 in words is "one million, two hundred thirty thousand, fifty-six".

Divisors: 1 2 4 8 153757 307514 615028 1230056