Search a number
-
+
195450732 = 223697691
BaseRepresentation
bin10111010011001…
…01011101101100
3111121202221000000
423221211131230
5400013410412
631221104300
74562206131
oct1351453554
9447687000
10195450732
11a0366034
1255558090
1331653729
141bd5a588
151225b4dc
hexba6576c

195450732 has 84 divisors (see below), whose sum is σ = 518860216. Its totient is φ = 64385280.

The previous prime is 195450721. The next prime is 195450733. The reversal of 195450732 is 237054591.

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

It is not an unprimeable number, because it can be changed into a prime (195450733) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 282507 + ... + 283197.

Almost surely, 2195450732 is an apocalyptic number.

195450732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195450732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259430108).

195450732 is an abundant number, since it is smaller than the sum of its proper divisors (323409484).

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

195450732 is an equidigital number, since it uses as much as digits as its factorization.

195450732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 195450732 is about 13980.3695230133. The cubic root of 195450732 is about 580.3354500255.

The spelling of 195450732 in words is "one hundred ninety-five million, four hundred fifty thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 97 108 162 194 243 291 324 388 486 582 691 729 873 972 1164 1382 1458 1746 2073 2619 2764 2916 3492 4146 5238 6219 7857 8292 10476 12438 15714 18657 23571 24876 31428 37314 47142 55971 67027 70713 74628 94284 111942 134054 141426 167913 201081 223884 268108 282852 335826 402162 503739 603243 671652 804324 1007478 1206486 1809729 2014956 2412972 3619458 5429187 7238916 10858374 16287561 21716748 32575122 48862683 65150244 97725366 195450732