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122496305 = 5171441133
BaseRepresentation
bin1110100110100…
…10010100110001
322112111110100012
413103102110301
5222324340210
620053304305
73015126041
oct723222461
9275443305
10122496305
1163167318
1235035095
131c4bc229
14123a9721
15ab4a305
hex74d2531

122496305 has 8 divisors (see below), whose sum is σ = 155642472. Its totient is φ = 92232448.

The previous prime is 122496299. The next prime is 122496329. The reversal of 122496305 is 503694221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62789776 + 59706529 = 7924^2 + 7727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122496305 - 24 = 122496289 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 720482 + ... + 720651.

It is an arithmetic number, because the mean of its divisors is an integer number (19455309).

Almost surely, 2122496305 is an apocalyptic number.

It is an amenable number.

122496305 is a deficient number, since it is larger than the sum of its proper divisors (33146167).

122496305 is a wasteful number, since it uses less digits than its factorization.

122496305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441155.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 122496305 is about 11067.8048862455. The cubic root of 122496305 is about 496.6392006692.

The spelling of 122496305 in words is "one hundred twenty-two million, four hundred ninety-six thousand, three hundred five".

Divisors: 1 5 17 85 1441133 7205665 24499261 122496305