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1142104223 = 13661132911
BaseRepresentation
bin100010000010011…
…0010000010011111
32221121001220110102
41010010302002133
54314334313343
6305155131315
740205503631
oct10404620237
92847056412
101142104223
11536762897
1227a5a3b3b
13152803220
14ab97ca51
156a4013b8
hex4413209f

1142104223 has 8 divisors (see below), whose sum is σ = 1231828416. Its totient is φ = 1052647200.

The previous prime is 1142104219. The next prime is 1142104247. The reversal of 1142104223 is 3224012411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142104223 - 22 = 1142104219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142104195 and 1142104204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142104723) 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, 57863 + ... + 75048.

It is an arithmetic number, because the mean of its divisors is an integer number (153978552).

Almost surely, 21142104223 is an apocalyptic number.

1142104223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142104223 is a deficient number, since it is larger than the sum of its proper divisors (89724193).

1142104223 is a wasteful number, since it uses less digits than its factorization.

1142104223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133585.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142104223 is about 33795.0325195878. The cubic root of 1142104223 is about 1045.2862697167.

Adding to 1142104223 its reverse (3224012411), we get a palindrome (4366116634).

The spelling of 1142104223 in words is "one billion, one hundred forty-two million, one hundred four thousand, two hundred twenty-three".

Divisors: 1 13 661 8593 132911 1727843 87854171 1142104223