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196589620 = 2259829481
BaseRepresentation
bin10111011011110…
…11100000110100
3111200220210021001
423231323200310
5400311331440
631301333044
74604661403
oct1355734064
9450823231
10196589620
11a0a73767
1255a07184
1331961c26
141c17563a
15123d3b9a
hexbb7b834

196589620 has 12 divisors (see below), whose sum is σ = 412838244. Its totient is φ = 78635840.

The previous prime is 196589587. The next prime is 196589623. The reversal of 196589620 is 26985691.

It can be written as a sum of positive squares in 2 ways, for example, as 39388176 + 157201444 = 6276^2 + 12538^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196589623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914721 + ... + 4914760.

It is an arithmetic number, because the mean of its divisors is an integer number (34403187).

Almost surely, 2196589620 is an apocalyptic number.

196589620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196589620 is an abundant number, since it is smaller than the sum of its proper divisors (216248624).

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

196589620 is a wasteful number, since it uses less digits than its factorization.

196589620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829490 (or 9829488 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 196589620 is about 14021.0420440137. The cubic root of 196589620 is about 581.4604691999.

The spelling of 196589620 in words is "one hundred ninety-six million, five hundred eighty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 9829481 19658962 39317924 49147405 98294810 196589620