Search a number
-
+
2690296243 = 10332298089
BaseRepresentation
bin1010000001011010…
…1010100110110011
320221111021012122121
42200112222212303
521002203434433
61122542215111
7123445066165
oct24026524663
96844235577
102690296243
111160669428
12630b84497
1333b49998b
141b7428935
1510b2b9c2d
hexa05aa9b3

2690296243 has 8 divisors (see below), whose sum is σ = 2717592800. Its totient is φ = 2663022528.

The previous prime is 2690296187. The next prime is 2690296249. The reversal of 2690296243 is 3426920962.

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 2690296243 - 225 = 2656741811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2690296243.

It is not an unprimeable number, because it can be changed into a prime (2690296249) 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, 328543 + ... + 336631.

It is an arithmetic number, because the mean of its divisors is an integer number (339699100).

Almost surely, 22690296243 is an apocalyptic number.

2690296243 is a deficient number, since it is larger than the sum of its proper divisors (27296557).

2690296243 is a wasteful number, since it uses less digits than its factorization.

2690296243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11421.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 2690296243 is about 51868.0657341297. The cubic root of 2690296243 is about 1390.8064679790.

The spelling of 2690296243 in words is "two billion, six hundred ninety million, two hundred ninety-six thousand, two hundred forty-three".

Divisors: 1 103 3229 8089 332587 833167 26119381 2690296243