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680152 = 231159131
BaseRepresentation
bin10100110000011011000
31021112222211
42212003120
5133231102
622324504
75531644
oct2460330
91245884
10680152
11425010
12289734
131aa775
14139c24
15d67d7
hexa60d8

680152 has 32 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 301600.

The previous prime is 680129. The next prime is 680159. The reversal of 680152 is 251086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680159) by changing a digit.

680152 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 7 ways as a sum of consecutive naturals, for example, 5127 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2680152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712800).

680152 is an abundant number, since it is smaller than the sum of its proper divisors (745448).

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

680152 is a wasteful number, since it uses less digits than its factorization.

680152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 680152 is about 824.7132835113. The cubic root of 680152 is about 87.9431450934.

The spelling of 680152 in words is "six hundred eighty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 59 88 118 131 236 262 472 524 649 1048 1298 1441 2596 2882 5192 5764 7729 11528 15458 30916 61832 85019 170038 340076 680152