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121227342 = 23231276917
BaseRepresentation
bin1110011100111…
…00100001001110
322110002222122120
413032130201032
5222013233332
620010153410
73001262325
oct716344116
9273088576
10121227342
116247a995
1234722866
131c166772
14121590bc
15a99932c
hex739c84e

121227342 has 32 divisors (see below), whose sum is σ = 255025152. Its totient is φ = 38342304.

The previous prime is 121227311. The next prime is 121227343. The reversal of 121227342 is 243722121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121227343) 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, 14068 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (7969536).

Almost surely, 2121227342 is an apocalyptic number.

121227342 is an abundant number, since it is smaller than the sum of its proper divisors (133797810).

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

121227342 is a wasteful number, since it uses less digits than its factorization.

121227342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its digits is 1344, while the sum is 24.

The square root of 121227342 is about 11010.3288779219. The cubic root of 121227342 is about 494.9183173044.

Adding to 121227342 its reverse (243722121), we get a palindrome (364949463).

The spelling of 121227342 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, three hundred forty-two".

Divisors: 1 2 3 6 23 46 69 127 138 254 381 762 2921 5842 6917 8763 13834 17526 20751 41502 159091 318182 477273 878459 954546 1756918 2635377 5270754 20204557 40409114 60613671 121227342