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195233805 = 325131073119
BaseRepresentation
bin10111010001100…
…00100000001101
3111121100220102200
423220300200031
5344434440210
631212312113
74560313524
oct1350604015
9447326380
10195233805
11a0228058
1255472639
13315a8a80
141bd014bb
15122170c0
hexba3080d

195233805 has 48 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 95186304.

The previous prime is 195233791. The next prime is 195233807. The reversal of 195233805 is 508332591.

It is not a de Polignac number, because 195233805 - 210 = 195232781 is a prime.

It is a super-2 number, since 2×1952338052 = 76232477229556050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195233805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195233807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61036 + ... + 64154.

It is an arithmetic number, because the mean of its divisors is an integer number (7665840).

Almost surely, 2195233805 is an apocalyptic number.

195233805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195233805 is a deficient number, since it is larger than the sum of its proper divisors (172726515).

195233805 is a wasteful number, since it uses less digits than its factorization.

195233805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250 (or 3247 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 195233805 is about 13972.6090978027. The cubic root of 195233805 is about 580.1206695025.

The spelling of 195233805 in words is "one hundred ninety-five million, two hundred thirty-three thousand, eight hundred five".

Divisors: 1 3 5 9 13 15 39 45 65 107 117 195 321 535 585 963 1391 1605 3119 4173 4815 6955 9357 12519 15595 20865 28071 40547 46785 62595 121641 140355 202735 333733 364923 608205 1001199 1668665 1824615 3003597 4338529 5005995 13015587 15017985 21692645 39046761 65077935 195233805