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449451490230 = 2355792838273
BaseRepresentation
bin1101000101001010110…
…01010111101110110110
31120222010001021100200000
412202211121113232312
524330434040141410
6542250345132130
744320553426631
oct6424531275666
91528101240600
10449451490230
1116367a715996
127313448a046
13334c986cc72
1417a79b10c18
15ba58041dc0
hex68a5657bb6

449451490230 has 192 divisors, whose sum is σ = 1231679554560. Its totient is φ = 117904190976.

The previous prime is 449451490211. The next prime is 449451490231. The reversal of 449451490230 is 32094154944.

449451490230 is a `hidden beast` number, since 4 + 4 + 94 + 51 + 490 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449451490231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54323374 + ... + 54331646.

It is an arithmetic number, because the mean of its divisors is an integer number (6414997680).

Almost surely, 2449451490230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449451490230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615839777280).

449451490230 is an abundant number, since it is smaller than the sum of its proper divisors (782228064330).

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

449451490230 is a wasteful number, since it uses less digits than its factorization.

449451490230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657 (or 8645 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 449451490230 in words is "four hundred forty-nine billion, four hundred fifty-one million, four hundred ninety thousand, two hundred thirty".