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53783716 = 227171031097
BaseRepresentation
bin1100110100101…
…0110010100100
310202012111101111
43031022302210
5102232034331
65200434404
71222103560
oct315126244
9122174344
1053783716
11283a5558
1216018a04
13b1b16ac
1472006a0
154ac5db1
hex334aca4

53783716 has 48 divisors (see below), whose sum is σ = 115105536. Its totient is φ = 21464064.

The previous prime is 53783713. The next prime is 53783731. The reversal of 53783716 is 61738735.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53783713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48480 + ... + 49576.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 253783716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53783716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57552768).

53783716 is an abundant number, since it is smaller than the sum of its proper divisors (61321820).

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

53783716 is a wasteful number, since it uses less digits than its factorization.

53783716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1226 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 53783716 is about 7333.7382009450. The cubic root of 53783716 is about 377.4710086942.

The spelling of 53783716 in words is "fifty-three million, seven hundred eighty-three thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 17 28 34 68 103 119 206 238 412 476 721 1097 1442 1751 2194 2884 3502 4388 7004 7679 12257 15358 18649 24514 30716 37298 49028 74596 112991 130543 225982 261086 451964 522172 790937 1581874 1920847 3163748 3841694 7683388 13445929 26891858 53783716