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3020240243 = 15719237199
BaseRepresentation
bin1011010000000101…
…0011010101110011
321210111010002201202
42310001103111303
522141140141433
61215410121415
7134562422066
oct26401232563
97714102652
103020240243
11130a935219
1270358026b
13391950107
142091948dd
1512a240ee8
hexb4053573

3020240243 has 4 divisors (see below), whose sum is σ = 3039477600. Its totient is φ = 3001002888.

The previous prime is 3020240227. The next prime is 3020240287. The reversal of 3020240243 is 3420420203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420420203 = 4183424883.

It is a cyclic number.

It is not a de Polignac number, because 3020240243 - 24 = 3020240227 is a prime.

It is a super-2 number, since 2×30202402432 = 18243702250873398098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020200243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618443 + ... + 9618756.

It is an arithmetic number, because the mean of its divisors is an integer number (759869400).

Almost surely, 23020240243 is an apocalyptic number.

3020240243 is a deficient number, since it is larger than the sum of its proper divisors (19237357).

3020240243 is a wasteful number, since it uses less digits than its factorization.

3020240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237356.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3020240243 is about 54956.7124471615. The cubic root of 3020240243 is about 1445.4858011460.

Adding to 3020240243 its reverse (3420420203), we get a palindrome (6440660446).

The spelling of 3020240243 in words is "three billion, twenty million, two hundred forty thousand, two hundred forty-three".

Divisors: 1 157 19237199 3020240243