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105256448 = 291121699
BaseRepresentation
bin1100100011000…
…01011000000000
321100001120200222
412101201120000
5203421201243
614240002212
72415444053
oct621413000
9240046628
10105256448
1154461800
122b300368
1318a6422b
14dd9ca9a
159392168
hex6461600

105256448 has 60 divisors (see below), whose sum is σ = 231300300. Its totient is φ = 47815680.

The previous prime is 105256433. The next prime is 105256451. The reversal of 105256448 is 844652501.

It is a super-2 number, since 2×1052564482 = 22157839691153408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61103 + ... + 62801.

It is an arithmetic number, because the mean of its divisors is an integer number (3855005).

Almost surely, 2105256448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105256448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115650150).

105256448 is an abundant number, since it is smaller than the sum of its proper divisors (126043852).

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

105256448 is an equidigital number, since it uses as much as digits as its factorization.

105256448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 105256448 is about 10259.4565158199. The cubic root of 105256448 is about 472.1531629719.

The spelling of 105256448 in words is "one hundred five million, two hundred fifty-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1408 1699 1936 2816 3398 3872 5632 6796 7744 13592 15488 18689 27184 30976 37378 54368 61952 74756 108736 149512 205579 217472 299024 411158 434944 598048 822316 869888 1196096 1644632 2392192 3289264 4784384 6578528 9568768 13157056 26314112 52628224 105256448