Search a number
-
+
242770771 = 19731011733
BaseRepresentation
bin11100111100001…
…10001101010011
3121220211000220001
432132012031103
5444122131041
640031230431
76005342335
oct1636061523
9556730801
10242770771
11115046301
1269378417
133b3b1059
1424357455
15164a7131
hexe786353

242770771 has 16 divisors (see below), whose sum is σ = 261764640. Its totient is φ = 224467200.

The previous prime is 242770753. The next prime is 242770777. The reversal of 242770771 is 177077242.

It is a cyclic number.

It is not a de Polignac number, because 242770771 - 217 = 242639699 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 242770771.

It is not an unprimeable number, because it can be changed into a prime (242770777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139221 + ... + 140953.

It is an arithmetic number, because the mean of its divisors is an integer number (16360290).

Almost surely, 2242770771 is an apocalyptic number.

242770771 is a deficient number, since it is larger than the sum of its proper divisors (18993869).

242770771 is a wasteful number, since it uses less digits than its factorization.

242770771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 242770771 is about 15581.1030097359. The cubic root of 242770771 is about 623.8288647984.

The spelling of 242770771 in words is "two hundred forty-two million, seven hundred seventy thousand, seven hundred seventy-one".

Divisors: 1 19 73 101 1387 1733 1919 7373 32927 126509 140087 175033 2403671 3325627 12777409 242770771