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1245088 = 25134173
BaseRepresentation
bin100101111111110100000
32100020221101
410233332200
5304320323
642404144
713403665
oct4577640
92306841
101245088
117804a9
12500654
13347950
14245a6c
15198dad
hex12ffa0

1245088 has 48 divisors (see below), whose sum is σ = 2741256. Its totient is φ = 552960.

The previous prime is 1245067. The next prime is 1245091. The reversal of 1245088 is 8805421.

It can be written as a sum of positive squares in 4 ways, for example, as 559504 + 685584 = 748^2 + 828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17020 + ... + 17092.

21245088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370628).

1245088 is an abundant number, since it is smaller than the sum of its proper divisors (1496168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245088 is a wasteful number, since it uses less digits than its factorization.

1245088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1245088 is about 1115.8351132672. The cubic root of 1245088 is about 107.5804481641.

The spelling of 1245088 in words is "one million, two hundred forty-five thousand, eighty-eight".

Divisors: 1 2 4 8 13 16 26 32 41 52 73 82 104 146 164 208 292 328 416 533 584 656 949 1066 1168 1312 1898 2132 2336 2993 3796 4264 5986 7592 8528 11972 15184 17056 23944 30368 38909 47888 77818 95776 155636 311272 622544 1245088