Search a number
-
+
2275840493 = 6761336613
BaseRepresentation
bin1000011110100110…
…1001000111101101
312212121101200020122
42013221221013231
514130103343433
61013455054325
7110253216323
oct20751510755
95777350218
102275840493
11a6871a713
125362113a5
132a36666a4
1417837dd13
15d4bed198
hex87a691ed

2275840493 has 4 divisors (see below), whose sum is σ = 2276183868. Its totient is φ = 2275497120.

The previous prime is 2275840487. The next prime is 2275840499. The reversal of 2275840493 is 3940485722.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2275840487) and next prime (2275840499).

It can be written as a sum of positive squares in 2 ways, for example, as 1554488329 + 721352164 = 39427^2 + 26858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275840493 - 220 = 2274791917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275840499) 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 3 ways as a sum of consecutive naturals, for example, 161546 + ... + 175067.

It is an arithmetic number, because the mean of its divisors is an integer number (569045967).

Almost surely, 22275840493 is an apocalyptic number.

It is an amenable number.

2275840493 is a deficient number, since it is larger than the sum of its proper divisors (343375).

2275840493 is an equidigital number, since it uses as much as digits as its factorization.

2275840493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343374.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 2275840493 is about 47705.7700178920. The cubic root of 2275840493 is about 1315.3680037188.

The spelling of 2275840493 in words is "two billion, two hundred seventy-five million, eight hundred forty thousand, four hundred ninety-three".

Divisors: 1 6761 336613 2275840493