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450039012 = 22337503251
BaseRepresentation
bin11010110100110…
…000110011100100
31011100211100110120
4122310300303210
51410202222022
6112353521540
714103161043
oct3264606344
91140740416
10450039012
11211042a75
121068732b0
1372311697
1443aac55a
1529799d5c
hex1ad30ce4

450039012 has 12 divisors (see below), whose sum is σ = 1050091056. Its totient is φ = 150013000.

The previous prime is 450038993. The next prime is 450039043. The reversal of 450039012 is 210930054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4500390122 = 405070224643872288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18751614 + ... + 18751637.

It is an arithmetic number, because the mean of its divisors is an integer number (87507588).

Almost surely, 2450039012 is an apocalyptic number.

It is an amenable number.

450039012 is an abundant number, since it is smaller than the sum of its proper divisors (600052044).

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

450039012 is a wasteful number, since it uses less digits than its factorization.

450039012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37503258 (or 37503256 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 450039012 is about 21214.1229373264. The cubic root of 450039012 is about 766.3315763933.

Adding to 450039012 its reverse (210930054), we get a palindrome (660969066).

The spelling of 450039012 in words is "four hundred fifty million, thirty-nine thousand, twelve".

Divisors: 1 2 3 4 6 12 37503251 75006502 112509753 150013004 225019506 450039012