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452116340 = 225131738909
BaseRepresentation
bin11010111100101…
…011111101110100
31011111201220000122
4122330223331310
51411220210330
6112510231112
714126632304
oct3274537564
91144656018
10452116340
11212231775
121074b5498
137288b080
144408d604
1529a5a5e5
hex1af2bf74

452116340 has 24 divisors (see below), whose sum is σ = 1022479080. Its totient is φ = 166935168.

The previous prime is 452116339. The next prime is 452116367. The reversal of 452116340 is 43611254.

It can be written as a sum of positive squares in 4 ways, for example, as 32194276 + 419922064 = 5674^2 + 20492^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869195 + ... + 869714.

It is an arithmetic number, because the mean of its divisors is an integer number (42603295).

Almost surely, 2452116340 is an apocalyptic number.

It is an amenable number.

452116340 is an abundant number, since it is smaller than the sum of its proper divisors (570362740).

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

452116340 is a wasteful number, since it uses less digits than its factorization.

452116340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738931 (or 1738929 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 452116340 is about 21263.0275360777. The cubic root of 452116340 is about 767.5088661278.

Adding to 452116340 its reverse (43611254), we get a palindrome (495727594).

The spelling of 452116340 in words is "four hundred fifty-two million, one hundred sixteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1738909 3477818 6955636 8694545 17389090 22605817 34778180 45211634 90423268 113029085 226058170 452116340