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341283781 = 1392455279
BaseRepresentation
bin10100010101111…
…001001111000101
3212210012000100001
4110111321033011
51144332040111
653510521301
711312602306
oct2425711705
9783160301
10341283781
11165711613
1296366231
1355923a87
143347c7ad
151ee661c1
hex145793c5

341283781 has 4 divisors (see below), whose sum is σ = 343739200. Its totient is φ = 338828364.

The previous prime is 341283749. The next prime is 341283809. The reversal of 341283781 is 187382143.

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 a cyclic number.

It is not a de Polignac number, because 341283781 - 25 = 341283749 is a prime.

It is a super-2 number, since 2×3412837812 = 232949238347311922, 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 341283781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341283881) 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, 1227501 + ... + 1227778.

It is an arithmetic number, because the mean of its divisors is an integer number (85934800).

Almost surely, 2341283781 is an apocalyptic number.

It is an amenable number.

341283781 is a deficient number, since it is larger than the sum of its proper divisors (2455419).

341283781 is a wasteful number, since it uses less digits than its factorization.

341283781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455418.

The product of its digits is 32256, while the sum is 37.

The square root of 341283781 is about 18473.8675160346. The cubic root of 341283781 is about 698.8305514412.

The spelling of 341283781 in words is "three hundred forty-one million, two hundred eighty-three thousand, seven hundred eighty-one".

Divisors: 1 139 2455279 341283781