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194670620 = 225232914593
BaseRepresentation
bin10111001101001…
…11000000011100
3111120022021212222
423212213000130
5344313424440
631152244512
74552446554
oct1346470034
9446267788
10194670620
119a982a11
1255240738
133143c621
141bbd6164
15121552b5
hexb9a701c

194670620 has 48 divisors (see below), whose sum is σ = 441322560. Its totient is φ = 71909376.

The previous prime is 194670617. The next prime is 194670629. The reversal of 194670620 is 26076491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194670629) 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 15 ways as a sum of consecutive naturals, for example, 6044 + ... + 20636.

It is an arithmetic number, because the mean of its divisors is an integer number (9194220).

Almost surely, 2194670620 is an apocalyptic number.

194670620 is a gapful number since it is divisible by the number (10) 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 194670620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220661280).

194670620 is an abundant number, since it is smaller than the sum of its proper divisors (246651940).

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

194670620 is a wasteful number, since it uses less digits than its factorization.

194670620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654 (or 14652 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 194670620 is about 13952.4413634317. The cubic root of 194670620 is about 579.5623134690.

The spelling of 194670620 in words is "one hundred ninety-four million, six hundred seventy thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 23 29 46 58 92 115 116 145 230 290 460 580 667 1334 2668 3335 6670 13340 14593 29186 58372 72965 145930 291860 335639 423197 671278 846394 1342556 1678195 1692788 2115985 3356390 4231970 6712780 8463940 9733531 19467062 38934124 48667655 97335310 194670620