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2572380 = 2232531461
BaseRepresentation
bin1001110100000001011100
311211200122100
421310001130
51124304010
6131045100
730602436
oct11640134
94750570
102572380
1114a7738
12a40790
136c0b25
144ad656
1535c2c0
hex27405c

2572380 has 72 divisors (see below), whose sum is σ = 8072064. Its totient is φ = 662400.

The previous prime is 2572379. The next prime is 2572393. The reversal of 2572380 is 832752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5350 + ... + 5810.

It is an arithmetic number, because the mean of its divisors is an integer number (112112).

22572380 is an apocalyptic number.

2572380 is a gapful number since it is divisible by the number (20) 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 2572380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036032).

2572380 is an abundant number, since it is smaller than the sum of its proper divisors (5499684).

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

2572380 is a wasteful number, since it uses less digits than its factorization.

2572380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2572380 is about 1603.8640840171. The cubic root of 2572380 is about 137.0182368676.

The spelling of 2572380 in words is "two million, five hundred seventy-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 461 465 558 620 922 930 1116 1383 1395 1844 1860 2305 2766 2790 4149 4610 5532 5580 6915 8298 9220 13830 14291 16596 20745 27660 28582 41490 42873 57164 71455 82980 85746 128619 142910 171492 214365 257238 285820 428730 514476 643095 857460 1286190 2572380