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860628 = 22371719
BaseRepresentation
bin11010010000111010100
31121201120010
43102013110
5210020003
630240220
710213056
oct3220724
91551503
10860628
1153866a
12356070
13241962
141858d6
15120003
hexd21d4

860628 has 12 divisors (see below), whose sum is σ = 2008160. Its totient is φ = 286872.

The previous prime is 860623. The next prime is 860641. The reversal of 860628 is 826068.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 860595 and 860604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860623) by changing a digit.

860628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35848 + ... + 35871.

2860628 is an apocalyptic number.

It is an amenable number.

860628 is an abundant number, since it is smaller than the sum of its proper divisors (1147532).

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

860628 is a wasteful number, since it uses less digits than its factorization.

860628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71726 (or 71724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 860628 is about 927.7003826667. The cubic root of 860628 is about 95.1199961048.

The spelling of 860628 in words is "eight hundred sixty thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 71719 143438 215157 286876 430314 860628