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53781704 = 2319675281
BaseRepresentation
bin1100110100101…
…0010011001000
310202012101121222
43031022103020
5102232003304
65200421212
71222064654
oct315122310
9122171558
1053781704
11283a3a99
1216017808
13b1b07c2
1471dda64
154ac54be
hex334a4c8

53781704 has 32 divisors (see below), whose sum is σ = 107752800. Its totient is φ = 25090560.

The previous prime is 53781703. The next prime is 53781713. The reversal of 53781704 is 40718735.

It is not an unprimeable number, because it can be changed into a prime (53781703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7544 + ... + 12824.

It is an arithmetic number, because the mean of its divisors is an integer number (3367275).

Almost surely, 253781704 is an apocalyptic number.

It is an amenable number.

53781704 is an abundant number, since it is smaller than the sum of its proper divisors (53971096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53781704 is a wasteful number, since it uses less digits than its factorization.

53781704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 53781704 is about 7333.6010254172. The cubic root of 53781704 is about 377.4663016862.

The spelling of 53781704 in words is "fifty-three million, seven hundred eighty-one thousand, seven hundred four".

Divisors: 1 2 4 8 19 38 67 76 134 152 268 536 1273 2546 5092 5281 10184 10562 21124 42248 100339 200678 353827 401356 707654 802712 1415308 2830616 6722713 13445426 26890852 53781704