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1240410223 = 13313977753
BaseRepresentation
bin100100111101111…
…0010100001101111
310012110001100221101
41021323302201233
510020021111343
6323030143531
742511212223
oct11173624157
93173040841
101240410223
115871a7618
122a74b1ba7
13169ca2960
14baa4c783
1573d6de4d
hex49ef286f

1240410223 has 16 divisors (see below), whose sum is σ = 1382569216. Its totient is φ = 1105125120.

The previous prime is 1240410221. The next prime is 1240410247. The reversal of 1240410223 is 3220140421.

It is a cyclic number.

It is not a de Polignac number, because 1240410223 - 21 = 1240410221 is a prime.

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 1240410223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240410221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156115 + ... + 163867.

It is an arithmetic number, because the mean of its divisors is an integer number (86410576).

Almost surely, 21240410223 is an apocalyptic number.

1240410223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1240410223 is a deficient number, since it is larger than the sum of its proper divisors (142158993).

1240410223 is a wasteful number, since it uses less digits than its factorization.

1240410223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1240410223 is about 35219.4580168406. The cubic root of 1240410223 is about 1074.4555304473.

Adding to 1240410223 its reverse (3220140421), we get a palindrome (4460550644).

The spelling of 1240410223 in words is "one billion, two hundred forty million, four hundred ten thousand, two hundred twenty-three".

Divisors: 1 13 31 397 403 5161 7753 12307 100789 159991 240343 3077941 3124459 40013233 95416171 1240410223