Search a number
-
+
491104368 = 24323410447
BaseRepresentation
bin11101010001011…
…010100001110000
31021020002200112200
4131101122201300
52001210314433
6120422023200
715112214106
oct3521324160
91236080480
10491104368
11232240a87
12118577b00
137a98c101
144931bc76
152d1ac613
hex1d45a870

491104368 has 30 divisors (see below), whose sum is σ = 1374410544. Its totient is φ = 163701408.

The previous prime is 491104297. The next prime is 491104379. The reversal of 491104368 is 863401194.

491104368 is a `hidden beast` number, since 491 + 104 + 3 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 1705080 + ... + 1705367.

Almost surely, 2491104368 is an apocalyptic number.

491104368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

491104368 is an abundant number, since it is smaller than the sum of its proper divisors (883306176).

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

491104368 is a wasteful number, since it uses less digits than its factorization.

491104368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410461 (or 3410452 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 491104368 is about 22160.8747119783. The cubic root of 491104368 is about 788.9653538643.

The spelling of 491104368 in words is "four hundred ninety-one million, one hundred four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 3410447 6820894 10231341 13641788 20462682 27283576 30694023 40925364 54567152 61388046 81850728 122776092 163701456 245552184 491104368