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53047335 = 35111916921
BaseRepresentation
bin1100101001011…
…1000000100111
310200211002021010
43022113000213
5102040003320
65132553303
71212615645
oct312270047
9120732233
1053047335
1127a42280
1215922833
13acb4473
14708c195
1549ccae0
hex3297027

53047335 has 32 divisors (see below), whose sum is σ = 97470720. Its totient is φ = 24364800.

The previous prime is 53047333. The next prime is 53047387. The reversal of 53047335 is 53374035.

It is not a de Polignac number, because 53047335 - 21 = 53047333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53047331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5326 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (3045960).

Almost surely, 253047335 is an apocalyptic number.

53047335 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53047335 is a deficient number, since it is larger than the sum of its proper divisors (44423385).

53047335 is a wasteful number, since it uses less digits than its factorization.

53047335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16959.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 53047335 is about 7283.3601448782. The cubic root of 53047335 is about 375.7403684281.

The spelling of 53047335 in words is "fifty-three million, forty-seven thousand, three hundred thirty-five".

Divisors: 1 3 5 11 15 19 33 55 57 95 165 209 285 627 1045 3135 16921 50763 84605 186131 253815 321499 558393 930655 964497 1607495 2791965 3536489 4822485 10609467 17682445 53047335