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195222469 = 13311972459
BaseRepresentation
bin10111010001011…
…01101111000101
3111121100022212211
423220231233011
5344434104334
631212143421
74560235501
oct1350555705
9447308784
10195222469
11a021a592
1255467b71
13315a3870
141bcdb301
1512213a64
hexba2dbc5

195222469 has 16 divisors (see below), whose sum is σ = 218211840. Its totient is φ = 173436480.

The previous prime is 195222457. The next prime is 195222487. The reversal of 195222469 is 964222591.

It is a cyclic number.

It is not a de Polignac number, because 195222469 - 27 = 195222341 is a prime.

It is a super-2 number, since 2×1952224692 = 76223624804911922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195222409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78162 + ... + 80620.

It is an arithmetic number, because the mean of its divisors is an integer number (13638240).

Almost surely, 2195222469 is an apocalyptic number.

It is an amenable number.

195222469 is a deficient number, since it is larger than the sum of its proper divisors (22989371).

195222469 is a wasteful number, since it uses less digits than its factorization.

195222469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its digits is 77760, while the sum is 40.

The square root of 195222469 is about 13972.2034411184. The cubic root of 195222469 is about 580.1094412981.

The spelling of 195222469 in words is "one hundred ninety-five million, two hundred twenty-two thousand, four hundred sixty-nine".

Divisors: 1 13 31 197 403 2459 2561 6107 31967 76229 79391 484423 990977 6297499 15017113 195222469