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53420641 = 671037741
BaseRepresentation
bin1100101111001…
…0001001100001
310201112001100021
43023302021201
5102133430031
65144553441
71216032211
oct313621141
9121461307
1053420641
112817779a
1215a82881
13b0b5361
147148241
154a53511
hex32f2261

53420641 has 8 divisors (see below), whose sum is σ = 54751424. Its totient is φ = 52105680.

The previous prime is 53420603. The next prime is 53420659. The reversal of 53420641 is 14602435.

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

It is a cyclic number.

It is not a de Polignac number, because 53420641 - 213 = 53412449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53420671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (6843928).

Almost surely, 253420641 is an apocalyptic number.

It is an amenable number.

53420641 is a deficient number, since it is larger than the sum of its proper divisors (1330783).

53420641 is a wasteful number, since it uses less digits than its factorization.

53420641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53420641 is about 7308.9425363728. The cubic root of 53420641 is about 376.6196987233.

The spelling of 53420641 in words is "fifty-three million, four hundred twenty thousand, six hundred forty-one".

Divisors: 1 67 103 6901 7741 518647 797323 53420641