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1230049 = 3139679
BaseRepresentation
bin100101100010011100001
32022111022101
410230103201
5303330144
642210401
713312102
oct4542341
92274271
101230049
11770177
124b3a01
13340b52
142403a9
151946d4
hex12c4e1

1230049 has 4 divisors (see below), whose sum is σ = 1269760. Its totient is φ = 1190340.

The previous prime is 1230029. The next prime is 1230067. The reversal of 1230049 is 9400321.

1230049 is nontrivially palindromic in base 4.

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.

It is a cyclic number.

It is not a de Polignac number, because 1230049 - 211 = 1228001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230029) 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, 19809 + ... + 19870.

It is an arithmetic number, because the mean of its divisors is an integer number (317440).

21230049 is an apocalyptic number.

It is an amenable number.

1230049 is a deficient number, since it is larger than the sum of its proper divisors (39711).

1230049 is an equidigital number, since it uses as much as digits as its factorization.

1230049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39710.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1230049 is about 1109.0757413270. The cubic root of 1230049 is about 107.1455497313.

The spelling of 1230049 in words is "one million, two hundred thirty thousand, forty-nine".

Divisors: 1 31 39679 1230049