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195885380 = 22510519319
BaseRepresentation
bin10111010110011…
…11100101000100
3111122121000020002
423223033211010
5400121313010
631234300432
74565666255
oct1353174504
9448530202
10195885380
11a0632649
1255727718
1331776512
141c030b2c
15122e51a5
hexbacf944

195885380 has 24 divisors (see below), whose sum is σ = 411794880. Its totient is φ = 78271200.

The previous prime is 195885329. The next prime is 195885409. The reversal of 195885380 is 83588591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16361 + ... + 25679.

It is an arithmetic number, because the mean of its divisors is an integer number (17158120).

Almost surely, 2195885380 is an apocalyptic number.

195885380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195885380 is an abundant number, since it is smaller than the sum of its proper divisors (215909500).

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

195885380 is a wasteful number, since it uses less digits than its factorization.

195885380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10379 (or 10377 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 195885380 is about 13995.9058299204. The cubic root of 195885380 is about 580.7653194704.

The spelling of 195885380 in words is "one hundred ninety-five million, eight hundred eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1051 2102 4204 5255 9319 10510 18638 21020 37276 46595 93190 186380 9794269 19588538 39177076 48971345 97942690 195885380