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1087060 = 2251337113
BaseRepresentation
bin100001001011001010100
32001020011111
410021121110
5234241220
635144404
712145162
oct4113124
92036144
101087060
116827a7
12445104
132c0a40
14204232
1516715a
hex109654

1087060 has 48 divisors (see below), whose sum is σ = 2547216. Its totient is φ = 387072.

The previous prime is 1087027. The next prime is 1087061. The reversal of 1087060 is 607801.

It can be written as a sum of positive squares in 8 ways, for example, as 138384 + 948676 = 372^2 + 974^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9564 + ... + 9676.

It is an arithmetic number, because the mean of its divisors is an integer number (53067).

21087060 is an apocalyptic number.

1087060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273608).

1087060 is an abundant number, since it is smaller than the sum of its proper divisors (1460156).

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

1087060 is a wasteful number, since it uses less digits than its factorization.

1087060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1087060 is about 1042.6216955349. The cubic root of 1087060 is about 102.8216349363.

The spelling of 1087060 in words is "one million, eighty-seven thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 113 130 148 185 226 260 370 452 481 565 740 962 1130 1469 1924 2260 2405 2938 4181 4810 5876 7345 8362 9620 14690 16724 20905 29380 41810 54353 83620 108706 217412 271765 543530 1087060