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4172980 = 225741727
BaseRepresentation
bin1111111010110010110100
321212000020211
433322302310
52032013410
6225235204
750320060
oct17726264
97760224
104172980
1123a0249
121492b04
13b31526
147a8aa0
1557668a
hex3facb4

4172980 has 48 divisors (see below), whose sum is σ = 10273536. Its totient is φ = 1393920.

The previous prime is 4172957. The next prime is 4172981. The reversal of 4172980 is 892714.

4172980 = 2452 + 2462 + ... + 3002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (214032).

Almost surely, 24172980 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 4172980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5136768).

4172980 is an abundant number, since it is smaller than the sum of its proper divisors (6100556).

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

4172980 is a wasteful number, since it uses less digits than its factorization.

4172980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4172980 is about 2042.7873114938. The cubic root of 4172980 is about 160.9961291715.

The spelling of 4172980 in words is "four million, one hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 727 820 1148 1435 1454 2870 2908 3635 5089 5740 7270 10178 14540 20356 25445 29807 50890 59614 101780 119228 149035 208649 298070 417298 596140 834596 1043245 2086490 4172980