[go: up one dir, main page]

Search a number
-
+
2420124245 = 571159106543
BaseRepresentation
bin1001000001000000…
…0010101001010101
320020122220001100022
42100100002221111
514424022433440
61040051354525
7113654500550
oct22020025125
96218801308
102420124245
111032108190
125765b2a45
132c75137a6
1418d5bb697
15e26edcb5
hex90402a55

2420124245 has 32 divisors (see below), whose sum is σ = 3682160640. Its totient is φ = 1483064640.

The previous prime is 2420124241. The next prime is 2420124257. The reversal of 2420124245 is 5424210242.

It is not a de Polignac number, because 2420124245 - 22 = 2420124241 is a prime.

It is a super-2 number, since 2×24201242452 = 11714002722473640050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420124241) 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, 30557 + ... + 75986.

It is an arithmetic number, because the mean of its divisors is an integer number (115067520).

Almost surely, 22420124245 is an apocalyptic number.

It is an amenable number.

2420124245 is a deficient number, since it is larger than the sum of its proper divisors (1262036395).

2420124245 is a wasteful number, since it uses less digits than its factorization.

2420124245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106625.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2420124245 is about 49194.7583081775. The cubic root of 2420124245 is about 1342.5976648591.

Adding to 2420124245 its reverse (5424210242), we get a palindrome (7844334487).

The spelling of 2420124245 in words is "two billion, four hundred twenty million, one hundred twenty-four thousand, two hundred forty-five".

Divisors: 1 5 7 11 35 55 59 77 295 385 413 649 2065 3245 4543 22715 106543 532715 745801 1171973 3729005 5859865 6286037 8203811 31430185 41019055 44002259 69146407 220011295 345732035 484024849 2420124245