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196995240 = 23355131559
BaseRepresentation
bin10111011110111…
…10100010101000
3111201200101200000
423233132202220
5400412321430
631314143000
74611301101
oct1357364250
9451611600
10196995240
11a1220492
1255b81a60
1331a74740
141c23d3a8
1512463e60
hexbbde8a8

196995240 has 192 divisors, whose sum is σ = 715478400. Its totient is φ = 48460032.

The previous prime is 196995233. The next prime is 196995247. The reversal of 196995240 is 42599691.

It is an interprime number because it is at equal distance from previous prime (196995233) and next prime (196995247).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (196995247) 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, 125581 + ... + 127139.

It is an arithmetic number, because the mean of its divisors is an integer number (3726450).

Almost surely, 2196995240 is an apocalyptic number.

196995240 is a gapful number since it is divisible by the number (10) 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 196995240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357739200).

196995240 is an abundant number, since it is smaller than the sum of its proper divisors (518483160).

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

196995240 is a wasteful number, since it uses less digits than its factorization.

196995240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 196995240 is about 14035.4992786149. The cubic root of 196995240 is about 581.8601002883.

The spelling of 196995240 in words is "one hundred ninety-six million, nine hundred ninety-five thousand, two hundred forty".