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195072084 = 22331806223
BaseRepresentation
bin10111010000010…
…01000001010100
3111121001200121000
423220021001110
5344414301314
631205023300
74556041164
oct1350110124
9447050530
10195072084
11a01275a9
12553b4b30
133155028c
141bc9c5a4
15121d4209
hexba09054

195072084 has 24 divisors (see below), whose sum is σ = 505742720. Its totient is φ = 65023992.

The previous prime is 195072077. The next prime is 195072089. The reversal of 195072084 is 480270591.

It is a super-2 number, since 2×1950720842 = 76106235912206112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195072089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903004 + ... + 903219.

Almost surely, 2195072084 is an apocalyptic number.

It is an amenable number.

195072084 is an abundant number, since it is smaller than the sum of its proper divisors (310670636).

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

195072084 is a wasteful number, since it uses less digits than its factorization.

195072084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806236 (or 1806228 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 195072084 is about 13966.8208265160. The cubic root of 195072084 is about 579.9604451820.

The spelling of 195072084 in words is "one hundred ninety-five million, seventy-two thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1806223 3612446 5418669 7224892 10837338 16256007 21674676 32512014 48768021 65024028 97536042 195072084