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5071780 = 2257172131
BaseRepresentation
bin10011010110001110100100
3100112200011201
4103112032210
52244244110
6300412244
761052350
oct23261644
910480151
105071780
11295455a
121847084
13108766c
14960460
156a2b3a
hex4d63a4

5071780 has 48 divisors (see below), whose sum is σ = 12894336. Its totient is φ = 1635840.

The previous prime is 5071777. The next prime is 5071783. The reversal of 5071780 is 871705.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5071777) and next prime (5071783).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (5071783) 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 15 ways as a sum of consecutive naturals, for example, 1315 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (268632).

Almost surely, 25071780 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 5071780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6447168).

5071780 is an abundant number, since it is smaller than the sum of its proper divisors (7822556).

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

5071780 is a wasteful number, since it uses less digits than its factorization.

5071780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 5071780 is about 2252.0612780295. The cubic root of 5071780 is about 171.8119903469.

The spelling of 5071780 in words is "five million, seventy-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2131 2380 4262 8524 10655 14917 21310 29834 36227 42620 59668 72454 74585 144908 149170 181135 253589 298340 362270 507178 724540 1014356 1267945 2535890 5071780