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53457898 = 2132056073
BaseRepresentation
bin1100101111101…
…1001111101010
310201120221110011
43023323033222
5102141123043
65145442134
71216245634
oct313731752
9121527404
1053457898
11281a278a
1215aa034a
13b0c92c0
147157a54
154a5e59d
hex32fb3ea

53457898 has 8 divisors (see below), whose sum is σ = 86355108. Its totient is φ = 24672864.

The previous prime is 53457881. The next prime is 53457917. The reversal of 53457898 is 89875435.

It can be written as a sum of positive squares in 2 ways, for example, as 45657049 + 7800849 = 6757^2 + 2793^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1028011 + ... + 1028062.

Almost surely, 253457898 is an apocalyptic number.

53457898 is a deficient number, since it is larger than the sum of its proper divisors (32897210).

53457898 is a wasteful number, since it uses less digits than its factorization.

53457898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056088.

The product of its digits is 1209600, while the sum is 49.

The square root of 53457898 is about 7311.4908192516. The cubic root of 53457898 is about 376.7072332985.

It can be divided in two parts, 534578 and 98, that multiplied together give a square (52388644 = 72382).

The spelling of 53457898 in words is "fifty-three million, four hundred fifty-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 13 26 2056073 4112146 26728949 53457898