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194749248 = 2631014319
BaseRepresentation
bin10111001101110…
…10001101000000
3111120110021202010
423212322031000
5344323433443
631154052520
74553225031
oct1346721500
9446407663
10194749248
119aa26aa1
125527a140
1331469355
141bc16a88
151216d733
hexb9ba340

194749248 has 28 divisors (see below), whose sum is σ = 515274560. Its totient is φ = 64916352.

The previous prime is 194749213. The next prime is 194749277. The reversal of 194749248 is 842947491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 194749197 and 194749206.

It is a congruent number.

It is an unprimeable number.

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, 506968 + ... + 507351.

Almost surely, 2194749248 is an apocalyptic number.

It is an amenable number.

194749248 is an abundant number, since it is smaller than the sum of its proper divisors (320525312).

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

194749248 is a wasteful number, since it uses less digits than its factorization.

194749248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014334 (or 1014324 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 194749248 is about 13955.2587937308. The cubic root of 194749248 is about 579.6403319046.

The spelling of 194749248 in words is "one hundred ninety-four million, seven hundred forty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1014319 2028638 3042957 4057276 6085914 8114552 12171828 16229104 24343656 32458208 48687312 64916416 97374624 194749248