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196031880 = 233351129569
BaseRepresentation
bin10111010111100…
…11010110001000
3111122212110012000
423223303112020
5400141010010
631241351000
74600146342
oct1353632610
9448773160
10196031880
11a0722720
1255798460
13317c80c5
141c06c292
15123237c0
hexbaf3588

196031880 has 256 divisors, whose sum is σ = 738720000. Its totient is φ = 45803520.

The previous prime is 196031861. The next prime is 196031881. The reversal of 196031880 is 88130691.

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 (196031881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 344236 + ... + 344804.

It is an arithmetic number, because the mean of its divisors is an integer number (2885625).

Almost surely, 2196031880 is an apocalyptic number.

196031880 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 196031880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369360000).

196031880 is an abundant number, since it is smaller than the sum of its proper divisors (542688120).

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

196031880 is a wasteful number, since it uses less digits than its factorization.

196031880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 196031880 is about 14001.1385251343. The cubic root of 196031880 is about 580.9100655417.

The spelling of 196031880 in words is "one hundred ninety-six million, thirty-one thousand, eight hundred eighty".