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121065224 = 2377130449
BaseRepresentation
bin1110011011101…
…00111100001000
322102210202021012
413031310330020
5221443041344
620002503052
73000015560
oct715647410
9272722235
10121065224
116237a105
1234664a88
131c10aa37
1412115da0
15a96629e
hex7374f08

121065224 has 32 divisors (see below), whose sum is σ = 263088000. Its totient is φ = 51152640.

The previous prime is 121065223. The next prime is 121065239. The reversal of 121065224 is 422560121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121065224.

It is not an unprimeable number, because it can be changed into a prime (121065223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11249 + ... + 19200.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2121065224 is an apocalyptic number.

121065224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121065224 is an abundant number, since it is smaller than the sum of its proper divisors (142022776).

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

121065224 is a wasteful number, since it uses less digits than its factorization.

121065224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30533 (or 30529 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 121065224 is about 11002.9643278527. The cubic root of 121065224 is about 494.6975998784.

The spelling of 121065224 in words is "one hundred twenty-one million, sixty-five thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 30449 60898 121796 213143 243592 426286 852572 1705144 2161879 4323758 8647516 15133153 17295032 30266306 60532612 121065224