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455252642 = 21323375149
BaseRepresentation
bin11011001000101…
…001101010100010
31011201122020012222
4123020221222202
51413021041032
6113101351042
714165404115
oct3310515242
91151566188
10455252642
11213a84059
12108568482
1373418780
144466857c
1529e79a12
hex1b229aa2

455252642 has 16 divisors (see below), whose sum is σ = 738574200. Its totient is φ = 209212032.

The previous prime is 455252591. The next prime is 455252657. The reversal of 455252642 is 246252554.

It can be written as a sum of positive squares in 4 ways, for example, as 101022601 + 354230041 = 10051^2 + 18821^2 .

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 7 ways as a sum of consecutive naturals, for example, 31517 + ... + 43632.

Almost surely, 2455252642 is an apocalyptic number.

455252642 is a deficient number, since it is larger than the sum of its proper divisors (283321558).

455252642 is a wasteful number, since it uses less digits than its factorization.

455252642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75397.

The product of its digits is 96000, while the sum is 35.

The square root of 455252642 is about 21336.6502056907. The cubic root of 455252642 is about 769.2794980603.

The spelling of 455252642 in words is "four hundred fifty-five million, two hundred fifty-two thousand, six hundred forty-two".

Divisors: 1 2 13 26 233 466 3029 6058 75149 150298 976937 1953874 17509717 35019434 227626321 455252642