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38425680 = 2432583643
BaseRepresentation
bin1001001010010…
…1010001010000
32200022020010100
42102211101100
534314110210
63451332400
7644420136
oct222452120
980266110
1038425680
111a765867
1210a51100
137c650b7
145163756
1535905c0
hex24a5450

38425680 has 120 divisors (see below), whose sum is σ = 130804128. Its totient is φ = 10107648.

The previous prime is 38425643. The next prime is 38425687. The reversal of 38425680 is 8652483.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38425687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59439 + ... + 60081.

Almost surely, 238425680 is an apocalyptic number.

38425680 is a gapful number since it is divisible by the number (30) 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 38425680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65402064).

38425680 is an abundant number, since it is smaller than the sum of its proper divisors (92378448).

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

38425680 is a wasteful number, since it uses less digits than its factorization.

38425680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38425680 is about 6198.8450537177. The cubic root of 38425680 is about 337.4482554416.

The spelling of 38425680 in words is "thirty-eight million, four hundred twenty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 83 90 120 144 166 180 240 249 332 360 415 498 643 664 720 747 830 996 1245 1286 1328 1494 1660 1929 1992 2490 2572 2988 3215 3320 3735 3858 3984 4980 5144 5787 5976 6430 6640 7470 7716 9645 9960 10288 11574 11952 12860 14940 15432 19290 19920 23148 25720 28935 29880 30864 38580 46296 51440 53369 57870 59760 77160 92592 106738 115740 154320 160107 213476 231480 266845 320214 426952 462960 480321 533690 640428 800535 853904 960642 1067380 1280856 1601070 1921284 2134760 2401605 2561712 3202140 3842568 4269520 4803210 6404280 7685136 9606420 12808560 19212840 38425680