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5278250805 = 353131213637
BaseRepresentation
bin1001110101001101…
…11011011100110101
3111121211221220220120
410322212323130311
541302213011210
62231431122153
7244541251212
oct47246733465
914554856816
105278250805
112269486a53
121033813359
136616b3039
14381012b09
1520d5bb270
hex13a9bb735

5278250805 has 32 divisors (see below), whose sum is σ = 8722818048. Its totient is φ = 2722636800.

The previous prime is 5278250777. The next prime is 5278250807. The reversal of 5278250805 is 5080528725.

It is not a de Polignac number, because 5278250805 - 26 = 5278250741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278250807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449447 + ... + 1453083.

It is an arithmetic number, because the mean of its divisors is an integer number (272588064).

Almost surely, 25278250805 is an apocalyptic number.

It is an amenable number.

5278250805 is a deficient number, since it is larger than the sum of its proper divisors (3444567243).

5278250805 is a wasteful number, since it uses less digits than its factorization.

5278250805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 5278250805 is about 72651.5712493543. The cubic root of 5278250805 is about 1741.1252250814.

The spelling of 5278250805 in words is "five billion, two hundred seventy-eight million, two hundred fifty thousand, eight hundred five".

Divisors: 1 3 5 15 31 93 155 465 3121 3637 9363 10911 15605 18185 46815 54555 96751 112747 290253 338241 483755 563735 1451265 1691205 11351077 34053231 56755385 170266155 351883387 1055650161 1759416935 5278250805