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195074064 = 243219374147
BaseRepresentation
bin10111010000010…
…01100000010000
3111121001210022100
423220021200100
5344414332224
631205040400
74556050023
oct1350114020
9447053270
10195074064
11a0129039
12553b6100
1331551153
141bc9d1ba
15121d4ac9
hexba09810

195074064 has 240 divisors, whose sum is σ = 617460480. Its totient is φ = 57231360.

The previous prime is 195074059. The next prime is 195074071. The reversal of 195074064 is 460470591.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4150489 + ... + 4150535.

It is an arithmetic number, because the mean of its divisors is an integer number (2572752).

Almost surely, 2195074064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195074064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308730240).

195074064 is an abundant number, since it is smaller than the sum of its proper divisors (422386416).

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

195074064 is a wasteful number, since it uses less digits than its factorization.

195074064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 195074064 is about 13966.8917086086. The cubic root of 195074064 is about 579.9624073931.

The spelling of 195074064 in words is "one hundred ninety-five million, seventy-four thousand, sixty-four".