Base | Representation |
---|---|
bin | 10110101001111… |
… | …01100001111000 |
3 | 111020121020202001 |
4 | 23110331201320 |
5 | 342122404110 |
6 | 30505150344 |
7 | 4465230646 |
oct | 1324754170 |
9 | 436536661 |
10 | 190044280 |
11 | 98303098 |
12 | 5378b3b4 |
13 | 304ac94a |
14 | 1b350196 |
15 | 11a3e63a |
hex | b53d878 |
190044280 has 64 divisors (see below), whose sum is σ = 441132480. Its totient is φ = 73651200.
The previous prime is 190044271. The next prime is 190044299. The reversal of 190044280 is 82440091.
It is a super-2 number, since 2×1900442802 = 72233656721436800, which contains 22 as substring.
It is a fibodiv number, since the Fibonacci-like sequence with seeds 1900 and 44280 contains 190044280 itself.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172692 + ... + 173788.
It is an arithmetic number, because the mean of its divisors is an integer number (6892695).
Almost surely, 2190044280 is an apocalyptic number.
190044280 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 190044280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220566240).
190044280 is an abundant number, since it is smaller than the sum of its proper divisors (251088200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190044280 is a wasteful number, since it uses less digits than its factorization.
190044280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1240 (or 1236 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 190044280 is about 13785.6548629363. The cubic root of 190044280 is about 574.9343642787.
The spelling of 190044280 in words is "one hundred ninety million, forty-four thousand, two hundred eighty".
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