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1449401098 = 21657437357
BaseRepresentation
bin101011001100100…
…0001101100001010
310202000022012112011
41112121001230022
510432021313343
6355453410134
750626464115
oct12631015412
93660265464
101449401098
11684170552
1234549994a
131a13873b2
14da6d157c
15873a229d
hex56641b0a

1449401098 has 8 divisors (see below), whose sum is σ = 2175418692. Its totient is φ = 724261536.

The previous prime is 1449401081. The next prime is 1449401099. The reversal of 1449401098 is 8901049441.

It can be written as a sum of positive squares in 2 ways, for example, as 1212641329 + 236759769 = 34823^2 + 15387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1449401098.

It is not an unprimeable number, because it can be changed into a prime (1449401099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215365 + ... + 221992.

Almost surely, 21449401098 is an apocalyptic number.

1449401098 is a deficient number, since it is larger than the sum of its proper divisors (726017594).

1449401098 is a wasteful number, since it uses less digits than its factorization.

1449401098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439016.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1449401098 is about 38071.0007486013. Note that the first 3 decimals coincide. The cubic root of 1449401098 is about 1131.6953427918.

The spelling of 1449401098 in words is "one billion, four hundred forty-nine million, four hundred one thousand, ninety-eight".

Divisors: 1 2 1657 3314 437357 874714 724700549 1449401098