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5218850397 = 32375635513
BaseRepresentation
bin1001101110001000…
…10101011001011101
3111110201012001212110
410313010111121131
541142011203042
62221510024233
7243220332165
oct46704253135
914421161773
105218850397
1122389a5602
121017948079
136522b5c77
1437718d5a5
1520828609c
hex13711565d

5218850397 has 8 divisors (see below), whose sum is σ = 7261009344. Its totient is φ = 3327962528.

The previous prime is 5218850389. The next prime is 5218850401. The reversal of 5218850397 is 7930588125.

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

It is a cyclic number.

It is not a de Polignac number, because 5218850397 - 23 = 5218850389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218850317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37817688 + ... + 37817825.

It is an arithmetic number, because the mean of its divisors is an integer number (907626168).

Almost surely, 25218850397 is an apocalyptic number.

It is an amenable number.

5218850397 is a deficient number, since it is larger than the sum of its proper divisors (2042158947).

5218850397 is a wasteful number, since it uses less digits than its factorization.

5218850397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75635539.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 5218850397 is about 72241.6112569480. The cubic root of 5218850397 is about 1734.5691413796.

The spelling of 5218850397 in words is "five billion, two hundred eighteen million, eight hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 3 23 69 75635513 226906539 1739616799 5218850397