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121413222 = 2337321199
BaseRepresentation
bin1110011110010…
…01111001100110
322110110102122000
413033021321212
5222040210342
620014150130
73002665260
oct717117146
9273412560
10121413222
1162597607
12347b2346
131c200258
14121a6b30
15a9d444c
hex73c9e66

121413222 has 32 divisors (see below), whose sum is σ = 308352000. Its totient is φ = 34689384.

The previous prime is 121413203. The next prime is 121413233. The reversal of 121413222 is 222314121.

It is a happy number.

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 = 121413195 and 121413204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160222 + ... + 160977.

It is an arithmetic number, because the mean of its divisors is an integer number (9636000).

Almost surely, 2121413222 is an apocalyptic number.

121413222 is an abundant number, since it is smaller than the sum of its proper divisors (186938778).

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

121413222 is a wasteful number, since it uses less digits than its factorization.

121413222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321217 (or 321211 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 121413222 is about 11018.7668094029. The cubic root of 121413222 is about 495.1711437596.

Adding to 121413222 its reverse (222314121), we get a palindrome (343727343).

The spelling of 121413222 in words is "one hundred twenty-one million, four hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 321199 642398 963597 1927194 2248393 2890791 4496786 5781582 6745179 8672373 13490358 17344746 20235537 40471074 60706611 121413222