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121344254 = 2715771481
BaseRepresentation
bin1110011101110…
…01000011111110
322110022221000122
413032321003332
5222031004004
620012454542
73002260223
oct716710376
9273287018
10121344254
116254a809
123477a452
131c1a7a45
141218994a
15a9bdcbe
hex73b90fe

121344254 has 16 divisors (see below), whose sum is σ = 185024736. Its totient is φ = 59673600.

The previous prime is 121344247. The next prime is 121344263. The reversal of 121344254 is 452443121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81194 + ... + 82674.

It is an arithmetic number, because the mean of its divisors is an integer number (11564046).

Almost surely, 2121344254 is an apocalyptic number.

121344254 is a deficient number, since it is larger than the sum of its proper divisors (63680482).

121344254 is a wasteful number, since it uses less digits than its factorization.

121344254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 3840, while the sum is 26.

The square root of 121344254 is about 11015.6367950291. The cubic root of 121344254 is about 495.0773664061.

Adding to 121344254 its reverse (452443121), we get a palindrome (573787375).

The spelling of 121344254 in words is "one hundred twenty-one million, three hundred forty-four thousand, two hundred fifty-four".

Divisors: 1 2 71 142 577 1154 1481 2962 40967 81934 105151 210302 854537 1709074 60672127 121344254