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53960647 = 134150819
BaseRepresentation
bin1100110111010…
…1111111000111
310202112111002111
43031311333013
5102303220042
65204321451
71223441446
oct315657707
9122474074
1053960647
1128506484
12160a3287
13b2440a0
147248d5d
154b0d517
hex3375fc7

53960647 has 4 divisors (see below), whose sum is σ = 58111480. Its totient is φ = 49809816.

The previous prime is 53960629. The next prime is 53960663. The reversal of 53960647 is 74606935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53960647 is a prime.

It is a super-3 number, since 3×539606473 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53960147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075397 + ... + 2075422.

It is an arithmetic number, because the mean of its divisors is an integer number (14527870).

Almost surely, 253960647 is an apocalyptic number.

53960647 is a deficient number, since it is larger than the sum of its proper divisors (4150833).

53960647 is a wasteful number, since it uses less digits than its factorization.

53960647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150832.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 53960647 is about 7345.7911078386. The cubic root of 53960647 is about 377.8844747419.

The spelling of 53960647 in words is "fifty-three million, nine hundred sixty thousand, six hundred forty-seven".

Divisors: 1 13 4150819 53960647