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19700268 = 2237234527
BaseRepresentation
bin100101100100…
…1101000101100
31101001212200120
41023021220230
520020402033
61542124540
7326310120
oct113115054
941055616
1019700268
1110136115
126720750
134109b83
14288b580
151ae21b3
hex12c9a2c

19700268 has 24 divisors (see below), whose sum is σ = 52534272. Its totient is φ = 5628624.

The previous prime is 19700267. The next prime is 19700273. The reversal of 19700268 is 86200791.

It is not an unprimeable number, because it can be changed into a prime (19700267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117180 + ... + 117347.

It is an arithmetic number, because the mean of its divisors is an integer number (2188928).

Almost surely, 219700268 is an apocalyptic number.

It is an amenable number.

19700268 is an abundant number, since it is smaller than the sum of its proper divisors (32834004).

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

19700268 is a wasteful number, since it uses less digits than its factorization.

19700268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234541 (or 234539 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 19700268 is about 4438.4983947277. The cubic root of 19700268 is about 270.0789343973.

The spelling of 19700268 in words is "nineteen million, seven hundred thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 234527 469054 703581 938108 1407162 1641689 2814324 3283378 4925067 6566756 9850134 19700268