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53725451 = 137952313
BaseRepresentation
bin1100110011110…
…0100100001011
310202002112110112
43030330210023
5102223203301
65155304535
71221441653
oct314744413
9122075415
1053725451
11283657aa
1215bab14b
13b191010
1471c7363
154ab39bb
hex333c90b

53725451 has 8 divisors (see below), whose sum is σ = 58591680. Its totient is φ = 48964032.

The previous prime is 53725439. The next prime is 53725489. The reversal of 53725451 is 15452735.

53725451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53725451 - 218 = 53463307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53725421) by changing a digit.

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, 25130 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (7323960).

Almost surely, 253725451 is an apocalyptic number.

53725451 is a deficient number, since it is larger than the sum of its proper divisors (4866229).

53725451 is a wasteful number, since it uses less digits than its factorization.

53725451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52405.

The product of its digits is 21000, while the sum is 32.

The square root of 53725451 is about 7329.7647301943. The cubic root of 53725451 is about 377.3346520873.

The spelling of 53725451 in words is "fifty-three million, seven hundred twenty-five thousand, four hundred fifty-one".

Divisors: 1 13 79 1027 52313 680069 4132727 53725451