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1228077 = 32136453
BaseRepresentation
bin100101011110100101101
32022101121100
410223310231
5303244302
642153313
713303254
oct4536455
92271540
101228077
11769744
124b2839
1333cc96
1423d79b
15193d1c
hex12bd2d

1228077 has 6 divisors (see below), whose sum is σ = 1773902. Its totient is φ = 818712.

The previous prime is 1228021. The next prime is 1228091. The reversal of 1228077 is 7708221.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 15876 = 1101^2 + 126^2 .

It is not a de Polignac number, because 1228077 - 26 = 1228013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1228077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68218 + ... + 68235.

21228077 is an apocalyptic number.

It is an amenable number.

1228077 is a deficient number, since it is larger than the sum of its proper divisors (545825).

1228077 is a wasteful number, since it uses less digits than its factorization.

1228077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136459 (or 136456 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1228077 is about 1108.1863561694. The cubic root of 1228077 is about 107.0882609463.

The spelling of 1228077 in words is "one million, two hundred twenty-eight thousand, seventy-seven".

Divisors: 1 3 9 136453 409359 1228077