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105680625 = 354157359
BaseRepresentation
bin1100100110010…
…00111011110001
321100212010120020
412103020323301
5204023240000
614253034053
72422161531
oct623107361
9240763506
10105680625
1154721466
122b485929
1318b8231b
141006d4c1
159427ba0
hex64c8ef1

105680625 has 40 divisors (see below), whose sum is σ = 177693120. Its totient is φ = 55848000.

The previous prime is 105680557. The next prime is 105680633. The reversal of 105680625 is 526086501.

It is not a de Polignac number, because 105680625 - 214 = 105664241 is a prime.

It is a super-2 number, since 2×1056806252 = 22336789000781250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 294196 + ... + 294554.

It is an arithmetic number, because the mean of its divisors is an integer number (4442328).

Almost surely, 2105680625 is an apocalyptic number.

105680625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105680625 is a deficient number, since it is larger than the sum of its proper divisors (72012495).

105680625 is an equidigital number, since it uses as much as digits as its factorization.

105680625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 105680625 is about 10280.1082192747. The cubic root of 105680625 is about 472.7865622639.

The spelling of 105680625 in words is "one hundred five million, six hundred eighty thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 157 359 375 471 625 785 1077 1795 1875 2355 3925 5385 8975 11775 19625 26925 44875 56363 58875 98125 134625 169089 224375 281815 294375 673125 845445 1409075 4227225 7045375 21136125 35226875 105680625