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195290424 = 233271723991
BaseRepresentation
bin10111010001111…
…10010100111000
3111121110210002200
423220332110320
5344443243144
631213430200
74560640560
oct1350762470
9447423080
10195290424
11a026664a
125549b360
13315c8784
141bd17da0
1512228c69
hexba3e538

195290424 has 192 divisors, whose sum is σ = 668528640. Its totient is φ = 50181120.

The previous prime is 195290423. The next prime is 195290429. The reversal of 195290424 is 424092591.

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 (195290423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196569 + ... + 197559.

It is an arithmetic number, because the mean of its divisors is an integer number (3481920).

Almost surely, 2195290424 is an apocalyptic number.

195290424 is a gapful number since it is divisible by the number (14) 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 195290424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334264320).

195290424 is an abundant number, since it is smaller than the sum of its proper divisors (473238216).

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

195290424 is a wasteful number, since it uses less digits than its factorization.

195290424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 195290424 is about 13974.6350220677. The cubic root of 195290424 is about 580.1767435987.

The spelling of 195290424 in words is "one hundred ninety-five million, two hundred ninety thousand, four hundred twenty-four".