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455019068 = 227191316529
BaseRepresentation
bin11011000111110…
…000101000111100
31011201012100211002
4123013300220330
51412441102233
6113052345432
714163412130
oct3307605074
91151170732
10455019068
11213934619
12108475278
137336636a
14446073c0
1529e306e8
hex1b1f0a3c

455019068 has 48 divisors (see below), whose sum is σ = 965395200. Its totient is φ = 183306240.

The previous prime is 455019067. The next prime is 455019091. The reversal of 455019068 is 860910554.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455019067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66428 + ... + 72956.

It is an arithmetic number, because the mean of its divisors is an integer number (20112400).

Almost surely, 2455019068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455019068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482697600).

455019068 is an abundant number, since it is smaller than the sum of its proper divisors (510376132).

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

455019068 is a wasteful number, since it uses less digits than its factorization.

455019068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 455019068 is about 21331.1759638328. The cubic root of 455019068 is about 769.1479122026.

The spelling of 455019068 in words is "four hundred fifty-five million, nineteen thousand, sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 131 133 262 266 524 532 917 1834 2489 3668 4978 6529 9956 13058 17423 26116 34846 45703 69692 91406 124051 182812 248102 496204 855299 868357 1710598 1736714 3421196 3473428 5987093 11974186 16250681 23948372 32501362 65002724 113754767 227509534 455019068