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1405114431 = 3766910211
BaseRepresentation
bin101001111000000…
…0101100000111111
310121220222012122020
41103300011200333
510334202130211
6351232251223
746551163350
oct12360054077
93556865566
101405114431
116611722a6
123326a0b13
1319514c676
14d4883d27
1583555306
hex53c0583f

1405114431 has 8 divisors (see below), whose sum is σ = 2141126784. Its totient is φ = 802922520.

The previous prime is 1405114427. The next prime is 1405114457. The reversal of 1405114431 is 1344115041.

It is a happy number.

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

It is not a de Polignac number, because 1405114431 - 22 = 1405114427 is a prime.

It is a super-2 number, since 2×14051144312 = 3948693128408907522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405114421) 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, 33455085 + ... + 33455126.

It is an arithmetic number, because the mean of its divisors is an integer number (267640848).

Almost surely, 21405114431 is an apocalyptic number.

1405114431 is a deficient number, since it is larger than the sum of its proper divisors (736012353).

1405114431 is an equidigital number, since it uses as much as digits as its factorization.

1405114431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66910221.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1405114431 is about 37484.8560221325. The cubic root of 1405114431 is about 1120.0495383594.

Adding to 1405114431 its reverse (1344115041), we get a palindrome (2749229472).

It can be divided in two parts, 14051 and 14431, that added together give a palindrome (28482).

The spelling of 1405114431 in words is "one billion, four hundred five million, one hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 3 7 21 66910211 200730633 468371477 1405114431