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5224386981 = 311158314757
BaseRepresentation
bin1001101110110010…
…11101000110100101
3111111002121100122010
410313121131012211
541144420340411
62222224424433
7243315361632
oct46731350645
914432540563
105224386981
1122410372a0
121019778119
136534a4058
14377bd1189
152089cb7a6
hex13765d1a5

5224386981 has 8 divisors (see below), whose sum is σ = 7599108384. Its totient is φ = 3166295120.

The previous prime is 5224386961. The next prime is 5224386989. The reversal of 5224386981 is 1896834225.

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 5224386981 - 29 = 5224386469 is a prime.

It is a super-2 number, since 2×52243869812 = 54588438654484588722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5224386981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5224386989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79157346 + ... + 79157411.

It is an arithmetic number, because the mean of its divisors is an integer number (949888548).

Almost surely, 25224386981 is an apocalyptic number.

It is an amenable number.

5224386981 is a deficient number, since it is larger than the sum of its proper divisors (2374721403).

5224386981 is a wasteful number, since it uses less digits than its factorization.

5224386981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158314771.

The product of its digits is 829440, while the sum is 48.

The square root of 5224386981 is about 72279.9210085346. The cubic root of 5224386981 is about 1735.1823156060.

The spelling of 5224386981 in words is "five billion, two hundred twenty-four million, three hundred eighty-six thousand, nine hundred eighty-one".

Divisors: 1 3 11 33 158314757 474944271 1741462327 5224386981