Search a number
-
+
455800878 = 233135471187
BaseRepresentation
bin11011001010101…
…111100000101110
31011202200002021000
4123022233200232
51413141112003
6113121221130
714203146351
oct3312574056
91152602230
10455800878
11214318a45
121087917a6
137357b180
144476c298
152a0371a3
hex1b2af82e

455800878 has 64 divisors (see below), whose sum is σ = 1093720320. Its totient is φ = 139872096.

The previous prime is 455800871. The next prime is 455800907. The reversal of 455800878 is 878008554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455800871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383401 + ... + 384587.

It is an arithmetic number, because the mean of its divisors is an integer number (17089380).

Almost surely, 2455800878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455800878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546860160).

455800878 is an abundant number, since it is smaller than the sum of its proper divisors (637919442).

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

455800878 is a wasteful number, since it uses less digits than its factorization.

455800878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 455800878 is about 21349.4936239715. The cubic root of 455800878 is about 769.5881746745.

The spelling of 455800878 in words is "four hundred fifty-five million, eight hundred thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 547 702 1094 1187 1641 2374 3282 3561 4923 7111 7122 9846 10683 14222 14769 15431 21333 21366 29538 30862 32049 42666 46293 63999 64098 92586 127998 138879 191997 277758 383994 416637 649289 833274 1298578 1947867 3895734 5843601 8440757 11687202 16881514 17530803 25322271 35061606 50644542 75966813 151933626 227900439 455800878