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1072660 = 22553633
BaseRepresentation
bin100000101111000010100
32000111102011
410011320110
5233311120
634554004
712055201
oct4057024
92014364
101072660
116729a6
12438904
132b7314
141dcca8
15162c5a
hex105e14

1072660 has 12 divisors (see below), whose sum is σ = 2252628. Its totient is φ = 429056.

The previous prime is 1072657. The next prime is 1072711. The reversal of 1072660 is 662701.

It can be written as a sum of positive squares in 2 ways, for example, as 266256 + 806404 = 516^2 + 898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26797 + ... + 26836.

It is an arithmetic number, because the mean of its divisors is an integer number (187719).

21072660 is an apocalyptic number.

1072660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072660 is an abundant number, since it is smaller than the sum of its proper divisors (1179968).

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

1072660 is a wasteful number, since it uses less digits than its factorization.

1072660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53642 (or 53640 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1072660 is about 1035.6930047075. The cubic root of 1072660 is about 102.3655981850.

The spelling of 1072660 in words is "one million, seventy-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 53633 107266 214532 268165 536330 1072660