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53740149 = 319990017
BaseRepresentation
bin1100110100000…
…0001001110101
310202010021121220
43031000021311
5102224141044
65155500553
71221532551
oct315001165
9122107556
1053740149
1128375851
1215bb7759
13b197908
1471cc861
154ab8019
hex3340275

53740149 has 8 divisors (see below), whose sum is σ = 72014400. Its totient is φ = 35646336.

The previous prime is 53740139. The next prime is 53740163. The reversal of 53740149 is 94104735.

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

It is not a de Polignac number, because 53740149 - 28 = 53739893 is a prime.

It is a super-2 number, since 2×537401492 = 5776007229084402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53740139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44412 + ... + 45605.

It is an arithmetic number, because the mean of its divisors is an integer number (9001800).

Almost surely, 253740149 is an apocalyptic number.

It is an amenable number.

53740149 is a deficient number, since it is larger than the sum of its proper divisors (18274251).

53740149 is a wasteful number, since it uses less digits than its factorization.

53740149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90219.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 53740149 is about 7330.7672858985. The cubic root of 53740149 is about 377.3690588655.

The spelling of 53740149 in words is "fifty-three million, seven hundred forty thousand, one hundred forty-nine".

Divisors: 1 3 199 597 90017 270051 17913383 53740149