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260406093 = 386802031
BaseRepresentation
bin11111000010101…
…11101101001101
3200011000000000010
433201113231031
51013130443333
641501223433
76311262303
oct1741275515
9604000003
10260406093
11123aa0a52
1273261b79
1341c4705c
1426828273
1517cdc563
hexf857b4d

260406093 has 4 divisors (see below), whose sum is σ = 347208128. Its totient is φ = 173604060.

The previous prime is 260406089. The next prime is 260406101. The reversal of 260406093 is 390604062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 260406093 - 22 = 260406089 is a prime.

It is a super-2 number, since 2×2604060932 = 135622666543049298, which contains 22 as substring.

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 260406093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260406793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43401013 + ... + 43401018.

It is an arithmetic number, because the mean of its divisors is an integer number (86802032).

Almost surely, 2260406093 is an apocalyptic number.

It is an amenable number.

260406093 is a deficient number, since it is larger than the sum of its proper divisors (86802035).

260406093 is an equidigital number, since it uses as much as digits as its factorization.

260406093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86802034.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 260406093 is about 16137.1029927927. The cubic root of 260406093 is about 638.5825506638.

The spelling of 260406093 in words is "two hundred sixty million, four hundred six thousand, ninety-three".

Divisors: 1 3 86802031 260406093