Search a number
-
+
455313720 = 233517219691
BaseRepresentation
bin11011001000111…
…000100100111000
31011201202100000010
4123020320210320
51413030014340
6113102541520
714166050151
oct3310704470
91151670003
10455313720
11214015a34
121085978a0
137343a504
1444682928
1529e8cb80
hex1b238938

455313720 has 192 divisors, whose sum is σ = 1529596800. Its totient is φ = 108103680.

The previous prime is 455313673. The next prime is 455313721. The reversal of 455313720 is 27313554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455313721) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 658575 + ... + 659265.

It is an arithmetic number, because the mean of its divisors is an integer number (7966650).

Almost surely, 2455313720 is an apocalyptic number.

455313720 is a gapful number since it is divisible by the number (40) 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 455313720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764798400).

455313720 is an abundant number, since it is smaller than the sum of its proper divisors (1074283080).

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

455313720 is a wasteful number, since it uses less digits than its factorization.

455313720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 455313720 is about 21338.0814507772. The cubic root of 455313720 is about 769.3138994364.

The spelling of 455313720 in words is "four hundred fifty-five million, three hundred thirteen thousand, seven hundred twenty".