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452342240 = 2557403877
BaseRepresentation
bin11010111101100…
…011000111100000
31011112011100220022
4122331203013200
51411244422430
6112515133012
714131563020
oct3275430740
91145140808
10452342240
11212376469
121075a4168
1372939b3c
144410ba80
1529aa24e5
hex1af631e0

452342240 has 48 divisors (see below), whose sum is σ = 1221327072. Its totient is φ = 155088384.

The previous prime is 452342201. The next prime is 452342249. The reversal of 452342240 is 42243254.

It is a happy number.

It is a super-2 number, since 2×4523422402 = 409227004176435200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452342249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200819 + ... + 203058.

It is an arithmetic number, because the mean of its divisors is an integer number (25444314).

Almost surely, 2452342240 is an apocalyptic number.

452342240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452342240 is an abundant number, since it is smaller than the sum of its proper divisors (768984832).

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

452342240 is a wasteful number, since it uses less digits than its factorization.

452342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403899 (or 403891 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 452342240 is about 21268.3389102205. The cubic root of 452342240 is about 767.6366734855.

Adding to 452342240 its reverse (42243254), we get a palindrome (494585494).

It can be divided in two parts, 45234 and 2240, that added together give a palindrome (47474).

The spelling of 452342240 in words is "four hundred fifty-two million, three hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 403877 807754 1615508 2019385 2827139 3231016 4038770 5654278 6462032 8077540 11308556 12924064 14135695 16155080 22617112 28271390 32310160 45234224 56542780 64620320 90468448 113085560 226171120 452342240