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121005352 = 2313289501
BaseRepresentation
bin1110011011001…
…10010100101000
322102200201010201
413031212110220
5221434132402
620001321544
72666346166
oct715462450
9272621121
10121005352
1162339126
12346362b4
131c0b9700
14120dc236
15a953687
hex7366528

121005352 has 24 divisors (see below), whose sum is σ = 245682990. Its totient is φ = 55848000.

The previous prime is 121005349. The next prime is 121005383. The reversal of 121005352 is 253500121.

It can be written as a sum of positive squares in 3 ways, for example, as 100520676 + 20484676 = 10026^2 + 4526^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43399 + ... + 46102.

Almost surely, 2121005352 is an apocalyptic number.

It is an amenable number.

121005352 is an abundant number, since it is smaller than the sum of its proper divisors (124677638).

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

121005352 is a wasteful number, since it uses less digits than its factorization.

121005352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89533 (or 89516 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 121005352 is about 11000.2432700373. The cubic root of 121005352 is about 494.6160366306.

Adding to 121005352 its reverse (253500121), we get a palindrome (374505473).

The spelling of 121005352 in words is "one hundred twenty-one million, five thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 89501 179002 358004 716008 1163513 2327026 4654052 9308104 15125669 30251338 60502676 121005352