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213080301 = 347677179
BaseRepresentation
bin11001011001101…
…01100011101101
3112211221121020000
430230311203231
5414022032201
633051014513
75165103240
oct1454654355
9484847200
10213080301
11aa307425
125b43a439
13351b6c25
1420429257
1513a8ed86
hexcb358ed

213080301 has 80 divisors (see below), whose sum is σ = 379146240. Its totient is φ = 116756640.

The previous prime is 213080297. The next prime is 213080327. The reversal of 213080301 is 103080312.

It is not a de Polignac number, because 213080301 - 22 = 213080297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213088301) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2697180 + ... + 2697258.

It is an arithmetic number, because the mean of its divisors is an integer number (4739328).

Almost surely, 2213080301 is an apocalyptic number.

213080301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213080301 is a deficient number, since it is larger than the sum of its proper divisors (166065939).

213080301 is an equidigital number, since it uses as much as digits as its factorization.

213080301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 213080301 is about 14597.2703270166. The cubic root of 213080301 is about 597.2843018507.

The spelling of 213080301 in words is "two hundred thirteen million, eighty thousand, three hundred one".

Divisors: 1 3 7 9 21 27 63 67 71 79 81 189 201 213 237 469 497 553 567 603 639 711 1407 1491 1659 1809 1917 2133 4221 4473 4757 4977 5293 5427 5609 5751 6399 12663 13419 14271 14931 15879 16827 33299 37051 37989 39263 40257 42813 44793 47637 50481 99897 111153 117789 128439 142911 151443 299691 333459 353367 375803 385317 428733 454329 899073 1000377 1060101 1127409 2630621 2697219 3001131 3180303 3382227 7891863 10146681 23675589 30440043 71026767 213080301