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195423384 = 233134115277
BaseRepresentation
bin10111010010111…
…10110010011000
3111121201112111010
423221132302120
5400012022014
631220333520
74562033322
oct1351366230
9447645433
10195423384
11a0347532
12555442a0
1331644150
141bd50612
1512253359
hexba5ec98

195423384 has 64 divisors (see below), whose sum is σ = 539007840. Its totient is φ = 58659840.

The previous prime is 195423367. The next prime is 195423407. The reversal of 195423384 is 483324591.

It is a super-2 number, since 2×1954233842 = 76380598028022912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5154 + ... + 20430.

Almost surely, 2195423384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195423384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269503920).

195423384 is an abundant number, since it is smaller than the sum of its proper divisors (343584456).

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

195423384 is a wasteful number, since it uses less digits than its factorization.

195423384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340 (or 15336 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 195423384 is about 13979.3914030619. The cubic root of 195423384 is about 580.3083813895.

The spelling of 195423384 in words is "one hundred ninety-five million, four hundred twenty-three thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 41 52 78 82 104 123 156 164 246 312 328 492 533 984 1066 1599 2132 3198 4264 6396 12792 15277 30554 45831 61108 91662 122216 183324 198601 366648 397202 595803 626357 794404 1191606 1252714 1588808 1879071 2383212 2505428 3758142 4766424 5010856 7516284 8142641 15032568 16285282 24427923 32570564 48855846 65141128 97711692 195423384