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53042451 = 3721132803
BaseRepresentation
bin1100101001010…
…1110100010011
310200210211120020
43022111310103
5102034324301
65132514523
71212565500
oct312256423
9120724506
1053042451
1127a39640
121591ba43
13acb2187
14708a4a7
1549cb436
hex3295d13

53042451 has 24 divisors (see below), whose sum is σ = 89751744. Its totient is φ = 27553680.

The previous prime is 53042449. The next prime is 53042459. The reversal of 53042451 is 15424035.

53042451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53042451 - 21 = 53042449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53042459) 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 23 ways as a sum of consecutive naturals, for example, 14785 + ... + 18018.

It is an arithmetic number, because the mean of its divisors is an integer number (3739656).

Almost surely, 253042451 is an apocalyptic number.

53042451 is a deficient number, since it is larger than the sum of its proper divisors (36709293).

53042451 is a wasteful number, since it uses less digits than its factorization.

53042451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32831 (or 32824 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 53042451 is about 7283.0248523536. The cubic root of 53042451 is about 375.7288367631.

Adding to 53042451 its reverse (15424035), we get a palindrome (68466486).

The spelling of 53042451 in words is "fifty-three million, forty-two thousand, four hundred fifty-one".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 32803 98409 229621 360833 688863 1082499 1607347 2525831 4822041 7577493 17680817 53042451