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213110994 = 23113523601
BaseRepresentation
bin11001011001111…
…01000011010010
3112212000011022210
430230331003102
5414024022434
633051412550
75165261565
oct1454750322
9485004283
10213110994
11aa328498
125b454156
13351c7ba5
14204364dc
1513a98ee9
hexcb3d0d2

213110994 has 32 divisors (see below), whose sum is σ = 431532864. Its totient is φ = 70156800.

The previous prime is 213110993. The next prime is 213111001. The reversal of 213110994 is 499011312.

213110994 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213110993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354294 + ... + 354894.

It is an arithmetic number, because the mean of its divisors is an integer number (13485402).

Almost surely, 2213110994 is an apocalyptic number.

213110994 is an abundant number, since it is smaller than the sum of its proper divisors (218421870).

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

213110994 is a wasteful number, since it uses less digits than its factorization.

213110994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 213110994 is about 14598.3216158571. The cubic root of 213110994 is about 597.3129789376.

The spelling of 213110994 in words is "two hundred thirteen million, one hundred ten thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 113 226 339 523 601 678 1046 1202 1569 1803 3138 3606 59099 67913 118198 135826 177297 203739 314323 354594 407478 628646 942969 1885938 35518499 71036998 106555497 213110994