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672246 = 23359211
BaseRepresentation
bin10100100000111110110
31021011011000
42210013312
5133002441
622224130
75466621
oct2440766
91234130
10672246
1141a083
12285046
131a6ca3
14136db8
15d42b6
hexa41f6

672246 has 32 divisors (see below), whose sum is σ = 1526400. Its totient is φ = 219240.

The previous prime is 672229. The next prime is 672251. The reversal of 672246 is 642276.

672246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

672246 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 15 ways as a sum of consecutive naturals, for example, 3081 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (47700).

2672246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763200).

672246 is an abundant number, since it is smaller than the sum of its proper divisors (854154).

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

672246 is a wasteful number, since it uses less digits than its factorization.

672246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 672246 is about 819.9060921837. The cubic root of 672246 is about 87.6010696060.

The spelling of 672246 in words is "six hundred seventy-two thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 59 118 177 211 354 422 531 633 1062 1266 1593 1899 3186 3798 5697 11394 12449 24898 37347 74694 112041 224082 336123 672246