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10200080 = 2451167173
BaseRepresentation
bin100110111010…
…010000010000
3201012012212202
4212322100100
510102400310
61002342332
7152461562
oct46722020
921165782
1010200080
115837520
1234ba9a8
132161967
1414d7332
15d673a5
hex9ba410

10200080 has 80 divisors (see below), whose sum is σ = 26409024. Its totient is φ = 3632640.

The previous prime is 10200079. The next prime is 10200089. The reversal of 10200080 is 8000201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (10200089) 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, 58874 + ... + 59046.

Almost surely, 210200080 is an apocalyptic number.

10200080 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 10200080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13204512).

10200080 is an abundant number, since it is smaller than the sum of its proper divisors (16208944).

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

10200080 is a wasteful number, since it uses less digits than its factorization.

10200080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10200080 is about 3193.7564089955. The cubic root of 10200080 is about 216.8708555047.

Adding to 10200080 its reverse (8000201), we get a palindrome (18200281).

The spelling of 10200080 in words is "ten million, two hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 67 80 88 110 134 173 176 220 268 335 346 440 536 670 692 737 865 880 1072 1340 1384 1474 1730 1903 2680 2768 2948 3460 3685 3806 5360 5896 6920 7370 7612 9515 11591 11792 13840 14740 15224 19030 23182 29480 30448 38060 46364 57955 58960 76120 92728 115910 127501 152240 185456 231820 255002 463640 510004 637505 927280 1020008 1275010 2040016 2550020 5100040 10200080