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214105122 = 232711179863
BaseRepresentation
bin11001100001011…
…11110000100010
3112220212200000100
430300233300202
5414302330442
633125003230
75206602120
oct1460576042
9486780010
10214105122
11aa947390
125b853516
133548552a
1420614910
1513be384c
hexcc2fc22

214105122 has 96 divisors (see below), whose sum is σ = 582266880. Its totient is φ = 55236960.

The previous prime is 214105121. The next prime is 214105141. The reversal of 214105122 is 221501412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 214105095 and 214105104.

It is not an unprimeable number, because it can be changed into a prime (214105121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 247663 + ... + 248525.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280).

Almost surely, 2214105122 is an apocalyptic number.

214105122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 214105122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291133440).

214105122 is an abundant number, since it is smaller than the sum of its proper divisors (368161758).

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

214105122 is a wasteful number, since it uses less digits than its factorization.

214105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 214105122 is about 14632.3313931854. The cubic root of 214105122 is about 598.2403276337.

Adding to 214105122 its reverse (221501412), we get a palindrome (435606534).

The spelling of 214105122 in words is "two hundred fourteen million, one hundred five thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 179 198 231 358 462 537 693 863 1074 1253 1386 1611 1726 1969 2506 2589 3222 3759 3938 5178 5907 6041 7518 7767 9493 11277 11814 12082 13783 15534 17721 18123 18986 22554 27566 28479 35442 36246 41349 54369 56958 66451 82698 85437 108738 124047 132902 154477 170874 199353 248094 308954 398706 463431 598059 926862 1081339 1196118 1390293 1699247 2162678 2780586 3244017 3398494 5097741 6488034 9732051 10195482 11894729 15293223 19464102 23789458 30586446 35684187 71368374 107052561 214105122