Search a number
-
+
2420899893 = 3517357587
BaseRepresentation
bin1001000001001100…
…0000000000110101
320020201100110100000
42100103000000311
514424222244033
61040120141513
7113664211116
oct22023000065
96221313300
102420899893
111032597a15
12576907899
132c7725859
1418d74020d
15e2803a13
hex904c0035

2420899893 has 24 divisors (see below), whose sum is σ = 3647393568. Its totient is φ = 1604576304.

The previous prime is 2420899883. The next prime is 2420899913. The reversal of 2420899893 is 3989980242.

It is a happy number.

It is not a de Polignac number, because 2420899893 - 25 = 2420899861 is a prime.

It is a super-2 number, since 2×24208998932 = 11721512583854822898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420899813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13246 + ... + 70832.

It is an arithmetic number, because the mean of its divisors is an integer number (151974732).

Almost surely, 22420899893 is an apocalyptic number.

It is an amenable number.

2420899893 is a deficient number, since it is larger than the sum of its proper divisors (1226493675).

2420899893 is an equidigital number, since it uses as much as digits as its factorization.

2420899893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57775 (or 57763 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 2420899893 is about 49202.6411181351. The cubic root of 2420899893 is about 1342.7410833856.

The spelling of 2420899893 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 81 173 243 519 1557 4671 14013 42039 57587 172761 518283 1554849 4664547 9962551 13993641 29887653 89662959 268988877 806966631 2420899893