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130250400 = 2535277753
BaseRepresentation
bin1111100001101…
…11011010100000
3100002002101221220
413300313122200
5231321003100
620531415040
73141052530
oct760673240
9302071856
10130250400
1167583065
1237754480
1320ca5757
14134274c0
15b67caa0
hex7c376a0

130250400 has 144 divisors (see below), whose sum is σ = 484593984. Its totient is φ = 29767680.

The previous prime is 130250387. The next prime is 130250501. The reversal of 130250400 is 4052031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130250400.

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, 12924 + ... + 20676.

It is an arithmetic number, because the mean of its divisors is an integer number (3365236).

Almost surely, 2130250400 is an apocalyptic number.

130250400 is a gapful number since it is divisible by the number (10) 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 130250400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242296992).

130250400 is an abundant number, since it is smaller than the sum of its proper divisors (354343584).

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

130250400 is a wasteful number, since it uses less digits than its factorization.

130250400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783 (or 7770 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 130250400 is about 11412.7297348180. The cubic root of 130250400 is about 506.9047434531.

The spelling of 130250400 in words is "one hundred thirty million, two hundred fifty thousand, four hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 70 75 80 84 96 100 105 112 120 140 150 160 168 175 200 210 224 240 280 300 336 350 400 420 480 525 560 600 672 700 800 840 1050 1120 1200 1400 1680 2100 2400 2800 3360 4200 5600 7753 8400 15506 16800 23259 31012 38765 46518 54271 62024 77530 93036 108542 116295 124048 155060 162813 186072 193825 217084 232590 248096 271355 310120 325626 372144 387650 434168 465180 542710 581475 620240 651252 744288 775300 814065 868336 930360 1085420 1162950 1240480 1302504 1356775 1550600 1628130 1736672 1860720 2170840 2325900 2605008 2713550 3101200 3256260 3721440 4070325 4341680 4651800 5210016 5427100 6202400 6512520 8140650 8683360 9303600 10854200 13025040 16281300 18607200 21708400 26050080 32562600 43416800 65125200 130250400