Search a number
-
+
204079479 = 3312194403
BaseRepresentation
bin11000010101000…
…00000101110111
3112020000022102020
430022200011313
5404221020404
632130044223
75025434622
oct1412400567
9466008366
10204079479
11a5219a2a
1258419673
13333850b6
141d164db9
1512db2ed9
hexc2a0177

204079479 has 8 divisors (see below), whose sum is σ = 280883712. Its totient is φ = 131664120.

The previous prime is 204079459. The next prime is 204079493. The reversal of 204079479 is 974970402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204079479 - 28 = 204079223 is a prime.

It is a super-2 number, since 2×2040794792 = 83296867497822882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204079479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204079429) 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, 1097109 + ... + 1097294.

It is an arithmetic number, because the mean of its divisors is an integer number (35110464).

Almost surely, 2204079479 is an apocalyptic number.

204079479 is a deficient number, since it is larger than the sum of its proper divisors (76804233).

204079479 is a wasteful number, since it uses less digits than its factorization.

204079479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194437.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 204079479 is about 14285.6389076583. The cubic root of 204079479 is about 588.7529717981.

The spelling of 204079479 in words is "two hundred four million, seventy-nine thousand, four hundred seventy-nine".

Divisors: 1 3 31 93 2194403 6583209 68026493 204079479