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195940992 = 2731339251
BaseRepresentation
bin10111010110111…
…01001010000000
3111122200211111210
423223131022000
5400130102432
631235410120
74566320352
oct1353351200
9448624453
10195940992
11a0670405
1255753940
1331795920
141c0470d2
15123068cc
hexbadd280

195940992 has 64 divisors (see below), whose sum is σ = 560518560. Its totient is φ = 60288000.

The previous prime is 195940949. The next prime is 195941027. The reversal of 195940992 is 299049591.

It is a tau number, because it is divible by the number of its divisors (64).

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

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 7 ways as a sum of consecutive naturals, for example, 14634 + ... + 24617.

Almost surely, 2195940992 is an apocalyptic number.

195940992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195940992 is an abundant number, since it is smaller than the sum of its proper divisors (364577568).

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

195940992 is a wasteful number, since it uses less digits than its factorization.

195940992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39281 (or 39269 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 195940992 is about 13997.8924127884. The cubic root of 195940992 is about 580.8202741672.

The spelling of 195940992 in words is "one hundred ninety-five million, nine hundred forty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 312 384 416 624 832 1248 1664 2496 4992 39251 78502 117753 157004 235506 314008 471012 510263 628016 942024 1020526 1256032 1530789 1884048 2041052 2512064 3061578 3768096 4082104 5024128 6123156 7536192 8164208 12246312 15072384 16328416 24492624 32656832 48985248 65313664 97970496 195940992