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2111193 = 327233147
BaseRepresentation
bin1000000011011011011001
310222021000100
420003123121
51020024233
6113130013
723642040
oct10033331
93867010
102111193
111212197
12859909
1358bc36
143cd557
152ba813
hex2036d9

2111193 has 48 divisors (see below), whose sum is σ = 3833856. Its totient is φ = 1092960.

The previous prime is 2111189. The next prime is 2111231. The reversal of 2111193 is 3911112.

It is not a de Polignac number, because 2111193 - 22 = 2111189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44896 + ... + 44942.

It is an arithmetic number, because the mean of its divisors is an integer number (79872).

22111193 is an apocalyptic number.

2111193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2111193 is a deficient number, since it is larger than the sum of its proper divisors (1722663).

2111193 is a wasteful number, since it uses less digits than its factorization.

2111193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 111 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 2111193 is about 1452.9944941396. The cubic root of 2111193 is about 128.2850297026.

It can be divided in two parts, 2111 and 193, that added together give a square (2304 = 482).

The spelling of 2111193 in words is "two million, one hundred eleven thousand, one hundred ninety-three".

Divisors: 1 3 7 9 21 23 31 47 63 69 93 141 161 207 217 279 329 423 483 651 713 987 1081 1449 1457 1953 2139 2961 3243 4371 4991 6417 7567 9729 10199 13113 14973 22701 30597 33511 44919 68103 91791 100533 234577 301599 703731 2111193