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673140 = 223513863
BaseRepresentation
bin10100100010101110100
31021012101010
42210111310
5133020030
622232220
75502336
oct2442564
91235333
10673140
1141a816
12285670
131a7510
14137456
15d46b0
hexa4574

673140 has 48 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 165504.

The previous prime is 673129. The next prime is 673157. The reversal of 673140 is 41376.

It is a congruent number.

It is an unprimeable number.

673140 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, 349 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2673140 is an apocalyptic number.

673140 is a gapful number since it is divisible by the number (60) 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 673140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064).

673140 is an abundant number, since it is smaller than the sum of its proper divisors (1358988).

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

673140 is a wasteful number, since it uses less digits than its factorization.

673140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 673140 is about 820.4510954347. The cubic root of 673140 is about 87.6398850919.

The spelling of 673140 in words is "six hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 863 1726 2589 3452 4315 5178 8630 10356 11219 12945 17260 22438 25890 33657 44876 51780 56095 67314 112190 134628 168285 224380 336570 673140