Search a number
-
+
455035640 = 23589127819
BaseRepresentation
bin11011000111110…
…100101011111000
31011201020012112212
4123013310223320
51412442120030
6113052554252
714163511343
oct3307645370
91151205485
10455035640
11213946014
12108482988
1373370a77
144460d45a
1529e35595
hex1b1f4af8

455035640 has 32 divisors (see below), whose sum is σ = 1035342000. Its totient is φ = 179967744.

The previous prime is 455035601. The next prime is 455035643. The reversal of 455035640 is 46530554.

It is a junction number, because it is equal to n+sod(n) for n = 455035597 and 455035606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455035643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60350 + ... + 67469.

Almost surely, 2455035640 is an apocalyptic number.

455035640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455035640 is an abundant number, since it is smaller than the sum of its proper divisors (580306360).

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

455035640 is a wasteful number, since it uses less digits than its factorization.

455035640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127919 (or 127915 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 455035640 is about 21331.5644058283. The cubic root of 455035640 is about 769.1572496607.

The spelling of 455035640 in words is "four hundred fifty-five million, thirty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 127819 255638 511276 639095 1022552 1278190 2556380 5112760 11375891 22751782 45503564 56879455 91007128 113758910 227517820 455035640