Search a number
-
+
268220377 = 1396433001
BaseRepresentation
bin11111111110010…
…11011111011001
3200200201000012001
433333023133121
51022131023002
642340521001
76434556415
oct1777133731
9620630161
10268220377
11128448a37
12759b0161
1343751aa9
142789dd45
1518832a87
hexffcb7d9

268220377 has 8 divisors (see below), whose sum is σ = 270660320. Its totient is φ = 265788000.

The previous prime is 268220327. The next prime is 268220383. The reversal of 268220377 is 773022862.

It is a happy number.

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 268220377 - 215 = 268187609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268220327) 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, 87877 + ... + 90877.

It is an arithmetic number, because the mean of its divisors is an integer number (33832540).

Almost surely, 2268220377 is an apocalyptic number.

It is an amenable number.

268220377 is a deficient number, since it is larger than the sum of its proper divisors (2439943).

268220377 is a wasteful number, since it uses less digits than its factorization.

268220377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 268220377 is about 16377.4349945283. The cubic root of 268220377 is about 644.9072454405.

The spelling of 268220377 in words is "two hundred sixty-eight million, two hundred twenty thousand, three hundred seventy-seven".

Divisors: 1 139 643 3001 89377 417139 1929643 268220377