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53971630 = 255397163
BaseRepresentation
bin1100110111100…
…0101010101110
310202120001011021
43031320222232
5102304043010
65204444354
71223515456
oct315705256
9122501137
1053971630
1128513759
12160a96ba
13b24909b
14724cd66
154b118da
hex3378aae

53971630 has 8 divisors (see below), whose sum is σ = 97148952. Its totient is φ = 21588648.

The previous prime is 53971613. The next prime is 53971637. The reversal of 53971630 is 3617935.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53971637) 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, 2698572 + ... + 2698591.

It is an arithmetic number, because the mean of its divisors is an integer number (12143619).

Almost surely, 253971630 is an apocalyptic number.

53971630 is a deficient number, since it is larger than the sum of its proper divisors (43177322).

53971630 is a wasteful number, since it uses less digits than its factorization.

53971630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397170.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 53971630 is about 7346.5386407478. The cubic root of 53971630 is about 377.9101108544.

The spelling of 53971630 in words is "fifty-three million, nine hundred seventy-one thousand, six hundred thirty".

Divisors: 1 2 5 10 5397163 10794326 26985815 53971630