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1110420431 = 3730011363
BaseRepresentation
bin100001000101111…
…1010101111001111
32212101110012110122
41002023322233033
54233231423211
6302104055155
736342263231
oct10213725717
92771405418
101110420431
1151a89233a
1226ba644bb
1314908ba13
14a7692251
15677436db
hex422fabcf

1110420431 has 4 divisors (see below), whose sum is σ = 1140431832. Its totient is φ = 1080409032.

The previous prime is 1110420419. The next prime is 1110420461. The reversal of 1110420431 is 1340240111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1110420431 - 214 = 1110404047 is a prime.

It is a super-2 number, since 2×11104204312 = 2466067067164451522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110420461) 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, 15005645 + ... + 15005718.

It is an arithmetic number, because the mean of its divisors is an integer number (285107958).

Almost surely, 21110420431 is an apocalyptic number.

1110420431 is a deficient number, since it is larger than the sum of its proper divisors (30011401).

1110420431 is an equidigital number, since it uses as much as digits as its factorization.

1110420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30011400.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1110420431 is about 33322.9715211594. The cubic root of 1110420431 is about 1035.5295137985.

Adding to 1110420431 its reverse (1340240111), we get a palindrome (2450660542).

The spelling of 1110420431 in words is "one billion, one hundred ten million, four hundred twenty thousand, four hundred thirty-one".

Divisors: 1 37 30011363 1110420431