Search a number
-
+
105445560 = 2335111737127
BaseRepresentation
bin1100100100011…
…11100010111000
321100102012010010
412102033202320
5203443224220
614244021520
72420162313
oct622174270
9240365103
10105445560
11545808a0
122b3918a0
1318acc32c
141000b97a
1593cd1e0
hex648f8b8

105445560 has 256 divisors, whose sum is σ = 378224640. Its totient is φ = 23224320.

The previous prime is 105445559. The next prime is 105445583. The reversal of 105445560 is 65544501.

It is a super-2 number, since 2×1054455602 = 22237532247427200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 830217 + ... + 830343.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 2105445560 is an apocalyptic number.

105445560 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 105445560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189112320).

105445560 is an abundant number, since it is smaller than the sum of its proper divisors (272779080).

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

105445560 is a wasteful number, since it uses less digits than its factorization.

105445560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 105445560 is about 10268.6688523878. The cubic root of 105445560 is about 472.4357629422.

The spelling of 105445560 in words is "one hundred five million, four hundred forty-five thousand, five hundred sixty".