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194449248 = 2534721531
BaseRepresentation
bin10111001011100…
…00111101100000
3111112220001020000
423211300331200
5344234333443
631143420000
74550535300
oct1345607540
9445801200
10194449248
119a841664
1255154600
1331392936
141bb79600
151210e8d3
hexb970f60

194449248 has 180 divisors, whose sum is σ = 665670852. Its totient is φ = 55520640.

The previous prime is 194449243. The next prime is 194449279. The reversal of 194449248 is 842944491.

194449248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1944492483 (a number of 26 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194449243) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 126243 + ... + 127773.

Almost surely, 2194449248 is an apocalyptic number.

194449248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194449248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332835426).

194449248 is an abundant number, since it is smaller than the sum of its proper divisors (471221604).

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

194449248 is a wasteful number, since it uses less digits than its factorization.

194449248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1543 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 194449248 is about 13944.5060149150. The cubic root of 194449248 is about 579.3425447619.

The spelling of 194449248 in words is "one hundred ninety-four million, four hundred forty-nine thousand, two hundred forty-eight".