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213716216 = 2373979613
BaseRepresentation
bin11001011110100…
…00110011111000
3112220010220112102
430233100303320
5414202404331
633112402532
75203362230
oct1457206370
9486126472
10213716216
11aa70117a
125b6a6448
133537a4cc
1420552cc0
1513b684cb
hexcbd0cf8

213716216 has 32 divisors (see below), whose sum is σ = 459164640. Its totient is φ = 91352448.

The previous prime is 213716183. The next prime is 213716219. The reversal of 213716216 is 612617312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213716219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17426 + ... + 27038.

It is an arithmetic number, because the mean of its divisors is an integer number (14348895).

Almost surely, 2213716216 is an apocalyptic number.

It is an amenable number.

213716216 is an abundant number, since it is smaller than the sum of its proper divisors (245448424).

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

213716216 is a wasteful number, since it uses less digits than its factorization.

213716216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023 (or 10019 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 213716216 is about 14619.0360831349. The cubic root of 213716216 is about 597.8778884381.

The spelling of 213716216 in words is "two hundred thirteen million, seven hundred sixteen thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 397 794 1588 2779 3176 5558 9613 11116 19226 22232 38452 67291 76904 134582 269164 538328 3816361 7632722 15265444 26714527 30530888 53429054 106858108 213716216