Search a number
-
+
261035466 = 2343505911
BaseRepresentation
bin11111000111100…
…01010111001010
3200012011222100020
433203301113022
51013311113331
641522521310
76316523226
oct1743612712
9605158306
10261035466
1112439089a
1273506236
1342107673
142694d786
1517db3c96
hexf8f15ca

261035466 has 8 divisors (see below), whose sum is σ = 522070944. Its totient is φ = 87011820.

The previous prime is 261035461. The next prime is 261035473. The reversal of 261035466 is 664530162.

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

261035466 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (261035461) 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, 21752950 + ... + 21752961.

It is an arithmetic number, because the mean of its divisors is an integer number (65258868).

Almost surely, 2261035466 is an apocalyptic number.

261035466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261035466 is a wasteful number, since it uses less digits than its factorization.

261035466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43505916.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 261035466 is about 16156.5920292616. The cubic root of 261035466 is about 639.0965981105.

The spelling of 261035466 in words is "two hundred sixty-one million, thirty-five thousand, four hundred sixty-six".

Divisors: 1 2 3 6 43505911 87011822 130517733 261035466