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104550400 = 212521021
BaseRepresentation
bin1100011101101…
…01000000000000
321021201201012001
412032311000000
5203231103100
614212513344
72406443443
oct616650000
9237651161
10104550400
115401a299
122b01b854
1318877a56
14dc5765a
1592a2d6a
hex63b5000

104550400 has 78 divisors (see below), whose sum is σ = 259507262. Its totient is φ = 41779200.

The previous prime is 104550389. The next prime is 104550403. The reversal of 104550400 is 4055401.

It can be written as a sum of positive squares in 3 ways, for example, as 8667136 + 95883264 = 2944^2 + 9792^2 .

It is a super-2 number, since 2×1045504002 = 21861572280320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104550403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101890 + ... + 102910.

Almost surely, 2104550400 is an apocalyptic number.

104550400 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 104550400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129753631).

104550400 is an abundant number, since it is smaller than the sum of its proper divisors (154956862).

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

104550400 is an equidigital number, since it uses as much as digits as its factorization.

104550400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 104550400 is about 10224.9889975491. The cubic root of 104550400 is about 471.0950774444.

The spelling of 104550400 in words is "one hundred four million, five hundred fifty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1021 1024 1280 1600 2042 2048 2560 3200 4084 4096 5105 5120 6400 8168 10210 10240 12800 16336 20420 20480 25525 25600 32672 40840 51050 51200 65344 81680 102100 102400 130688 163360 204200 261376 326720 408400 522752 653440 816800 1045504 1306880 1633600 2091008 2613760 3267200 4182016 5227520 6534400 10455040 13068800 20910080 26137600 52275200 104550400