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449246916 = 223231402551
BaseRepresentation
bin11010110001101…
…111011011000100
31011022100002220200
4122301233123010
51410001400131
6112324530500
714063351526
oct3261573304
91138302820
10449246916
11210651948
12106550a30
13720c4ca1
1443943a16
15296902e6
hex1ac6f6c4

449246916 has 36 divisors (see below), whose sum is σ = 1172231424. Its totient is φ = 144918000.

The previous prime is 449246911. The next prime is 449246923. The reversal of 449246916 is 619642944.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4492469162 = 403645583071022112, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (449246911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200160 + ... + 202391.

It is an arithmetic number, because the mean of its divisors is an integer number (32561984).

Almost surely, 2449246916 is an apocalyptic number.

It is an amenable number.

449246916 is an abundant number, since it is smaller than the sum of its proper divisors (722984508).

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

449246916 is a wasteful number, since it uses less digits than its factorization.

449246916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402592 (or 402587 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 449246916 is about 21195.4456428734. The cubic root of 449246916 is about 765.8817156535.

The spelling of 449246916 in words is "four hundred forty-nine million, two hundred forty-six thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 402551 805102 1207653 1610204 2415306 3622959 4830612 7245918 12479081 14491836 24958162 37437243 49916324 74874486 112311729 149748972 224623458 449246916