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469919212 = 227215715271
BaseRepresentation
bin11100000000100…
…110010111101100
31012202020100222021
4130000212113230
51430244403322
6114343555524
714434150600
oct3400462754
91182210867
10469919212
11221291294
1211145bba4
1376482409
14465a5500
152b3c54c7
hex1c0265ec

469919212 has 36 divisors (see below), whose sum is σ = 962777424. Its totient is φ = 200098080.

The previous prime is 469919167. The next prime is 469919227. The reversal of 469919212 is 212919964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23137 + ... + 38407.

Almost surely, 2469919212 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 469919212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481388712).

469919212 is an abundant number, since it is smaller than the sum of its proper divisors (492858212).

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

469919212 is a wasteful number, since it uses less digits than its factorization.

469919212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446 (or 15437 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 469919212 is about 21677.6200723234. The cubic root of 469919212 is about 777.4534593027.

It can be divided in two parts, 469 and 919212, that added together give a square (919681 = 9592).

The spelling of 469919212 in words is "four hundred sixty-nine million, nine hundred nineteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 157 196 314 628 1099 2198 4396 7693 15271 15386 30542 30772 61084 106897 213794 427588 748279 1496558 2397547 2993116 4795094 9590188 16782829 33565658 67131316 117479803 234959606 469919212