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1060720 = 24513259
BaseRepresentation
bin100000010111101110000
31222220000221
410002331300
5232420340
634422424
712005323
oct4027560
91886027
101060720
11664a31
12431a14
132b1a5b
141d87ba
1515e44a
hex102f70

1060720 has 20 divisors (see below), whose sum is σ = 2466360. Its totient is φ = 424256.

The previous prime is 1060687. The next prime is 1060721. The reversal of 1060720 is 270601.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×10607203 = 3580333874655744000, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1060694 and 1060703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1060721) 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, 6550 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (123318).

21060720 is an apocalyptic number.

1060720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1060720 is an abundant number, since it is smaller than the sum of its proper divisors (1405640).

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

1060720 is a wasteful number, since it uses less digits than its factorization.

1060720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272 (or 13266 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1060720 is about 1029.9126176526. The cubic root of 1060720 is about 101.9843625906.

The spelling of 1060720 in words is "one million, sixty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 13259 26518 53036 66295 106072 132590 212144 265180 530360 1060720